# Publication tables

Study period: **2020–2024**. Official source snapshot downloaded **6 September 2026**. City tables use the strict current official-boundary sample. Intersections use City-designated at/related crashes matched by official intersection ID and within 75 meters of that intersection geometry. Unknown is not zero. KSI means killed or severely injured. A pedestrian/bicycle-involved KSI crash does not establish which person suffered the severe outcome.

## Top 20 intersections by total reported crashes

| intersection_name | total_crashes | ksi_crashes | fatal_crashes | fatalities | severe_injuries | pedestrian_ksi_crashes | bicycle_ksi_crashes |
| --- | --- | --- | --- | --- | --- | --- | --- |
| CAPITOL EXPY & STORY RD | 87 | 3 | 0 | 0 | 4 | 1 | 0 |
| KING RD & STORY RD | 87 | 3 | 0 | 0 | 3 | 0 | 0 |
| CAPITOL EXPY & TULLY RD | 75 | 3 | 0 | 0 | 3 | 1 | 0 |
| CAPITOL EXPY & SENTER RD | 61 | 6 | 2 | 2 | 4 | 0 | 1 |
| CAPITOL EXPY & QUIMBY RD | 56 | 8 | 0 | 0 | 10 | 1 | 0 |
| CAPITOL AVE & MCKEE RD | 55 | 6 | 1 | 1 | 5 | 5 | 1 |
| CURTNER AVE/TULLY RD & MONTEREY RD | 54 | 4 | 1 | 1 | 3 | 2 | 0 |
| CAPITOL EXPY & OCALA AVE | 50 | 4 | 0 | 0 | 4 | 0 | 1 |
| CAPITOL EXPY & SNELL AVE | 48 | 4 | 2 | 2 | 3 | 2 | 0 |
| MCLAUGHLIN AVE & STORY RD | 48 | 2 | 0 | 0 | 2 | 0 | 0 |
| BLOSSOM HILL RD & SNELL AVE | 47 | 2 | 0 | 0 | 3 | 0 | 1 |
| ELEVENTH ST & KEYES ST | 43 | 4 | 0 | 0 | 4 | 0 | 0 |
| MCLAUGHLIN AVE & TULLY RD | 43 | 2 | 1 | 1 | 1 | 0 | 2 |
| SENTER RD & TULLY RD | 42 | 2 | 0 | 0 | 2 | 1 | 0 |
| KING RD & TULLY RD | 41 | 1 | 0 | 0 | 1 | 1 | 0 |
| CAPITOL EXPY & SILVER CREEK RD | 38 | 1 | 0 | 0 | 1 | 0 | 1 |
| CAPITOL EXPY & MCLAUGHLIN AVE | 37 | 0 | 0 | 0 | 0 | 0 | 0 |
| CAPITOL EXPY & SEVEN TREES BLVD | 37 | 1 | 0 | 0 | 1 | 0 | 0 |
| MCKEE RD & WHITE RD | 37 | 2 | 0 | 0 | 2 | 1 | 0 |
| ALUM ROCK AVE & CAPITOL AVE | 35 | 0 | 0 | 0 | 0 | 0 | 0 |

Source: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512); `top_intersections.csv`, grouped by official intersection ID.

## Top 20 intersections by KSI crashes

| intersection_name | total_crashes | ksi_crashes | fatal_crashes | fatalities | severe_injuries | pedestrian_ksi_crashes | bicycle_ksi_crashes |
| --- | --- | --- | --- | --- | --- | --- | --- |
| CAPITOL EXPY & QUIMBY RD | 56 | 8 | 0 | 0 | 10 | 1 | 0 |
| CAPITOL EXPY & SENTER RD | 61 | 6 | 2 | 2 | 4 | 0 | 1 |
| CAPITOL AVE & MCKEE RD | 55 | 6 | 1 | 1 | 5 | 5 | 1 |
| CURTNER AVE/TULLY RD & MONTEREY RD | 54 | 4 | 1 | 1 | 3 | 2 | 0 |
| CAPITOL EXPY & OCALA AVE | 50 | 4 | 0 | 0 | 4 | 0 | 1 |
| CAPITOL EXPY & SNELL AVE | 48 | 4 | 2 | 2 | 3 | 2 | 0 |
| ELEVENTH ST & KEYES ST | 43 | 4 | 0 | 0 | 4 | 0 | 0 |
| ALMADEN EXPY & BRANHAM LN | 20 | 4 | 1 | 1 | 3 | 0 | 1 |
| FOURTH ST & SANTA CLARA ST | 20 | 4 | 0 | 0 | 4 | 1 | 2 |
| SANTA CLARA ST & TENTH ST | 19 | 4 | 2 | 2 | 4 | 1 | 0 |
| MERIDIAN AVE & PARKMOOR AVE | 16 | 4 | 2 | 2 | 2 | 2 | 0 |
| CAPITOL EXPY & STORY RD | 87 | 3 | 0 | 0 | 4 | 1 | 0 |
| KING RD & STORY RD | 87 | 3 | 0 | 0 | 3 | 0 | 0 |
| CAPITOL EXPY & TULLY RD | 75 | 3 | 0 | 0 | 3 | 1 | 0 |
| ABORN RD & SAN FELIPE RD/WHITE RD | 32 | 3 | 0 | 0 | 3 | 0 | 1 |
| ALMADEN EXPY & BLOSSOM HILL RD | 31 | 3 | 0 | 0 | 3 | 2 | 0 |
| PAYNE AVE & SAN TOMAS EXPY | 30 | 3 | 1 | 1 | 2 | 1 | 0 |
| CANOAS GARDEN AVE & CURTNER AVE | 26 | 3 | 2 | 2 | 1 | 2 | 0 |
| CURTNER AVE & GUADALUPE FWY/UNIFIED WAY | 26 | 3 | 0 | 0 | 3 | 2 | 1 |
| BAYSHORE FWY W & TULLY RD | 24 | 3 | 0 | 0 | 4 | 0 | 1 |

Source: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512); `top_intersections.csv`, grouped by official intersection ID.

## Top intersections by fatalities

| intersection_name | total_crashes | ksi_crashes | fatal_crashes | fatalities | severe_injuries | pedestrian_ksi_crashes | bicycle_ksi_crashes |
| --- | --- | --- | --- | --- | --- | --- | --- |
| CAPITOL EXPY & SENTER RD | 61 | 6 | 2 | 2 | 4 | 0 | 1 |
| CAPITOL EXPY & SNELL AVE | 48 | 4 | 2 | 2 | 3 | 2 | 0 |
| ELEVENTH ST & SANTA CLARA ST | 29 | 2 | 2 | 2 | 0 | 1 | 0 |
| CANOAS GARDEN AVE & CURTNER AVE | 26 | 3 | 2 | 2 | 1 | 2 | 0 |
| SANTA CLARA ST & TENTH ST | 19 | 4 | 2 | 2 | 4 | 1 | 0 |
| MERIDIAN AVE & PARKMOOR AVE | 16 | 4 | 2 | 2 | 2 | 2 | 0 |
| ALEXANDER AVE/MUIRFIELD DR & ALUM ROCK AVE | 15 | 1 | 1 | 2 | 0 | 0 | 0 |
| ALAMEDA & NEWHALL ST | 14 | 2 | 2 | 2 | 0 | 1 | 0 |
| BLOSSOM HILL RD/DW & COTTLE RD | 11 | 1 | 1 | 2 | 1 | 0 | 0 |
| LAWRENCE EXPY & MITTY AVE | 10 | 1 | 1 | 2 | 2 | 0 | 0 |
| BLOSSOM HILL RD & WINFIELD BLVD | 9 | 1 | 1 | 2 | 0 | 0 | 0 |
| MONTEREY RD & PALM AVE | 9 | 2 | 2 | 2 | 1 | 1 | 1 |
| BERRYESSA RD/SUNCREST AVE & PIEDMONT RD | 6 | 2 | 2 | 2 | 0 | 0 | 0 |
| MONTEREY RD & VALLEYHAVEN WAY | 3 | 2 | 2 | 2 | 0 | 1 | 0 |
| OAKTON CT & OCALA AVE | 1 | 1 | 1 | 2 | 0 | 1 | 0 |
| CAPITOL AVE & MCKEE RD | 55 | 6 | 1 | 1 | 5 | 5 | 1 |
| CURTNER AVE/TULLY RD & MONTEREY RD | 54 | 4 | 1 | 1 | 3 | 2 | 0 |
| MCLAUGHLIN AVE & TULLY RD | 43 | 2 | 1 | 1 | 1 | 0 | 2 |
| ALUM ROCK AVE & KING RD | 31 | 2 | 1 | 1 | 2 | 0 | 1 |
| JACKSON AVE & STORY RD | 31 | 2 | 1 | 1 | 1 | 0 | 1 |

Source: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512); `top_intersections.csv`, grouped by official intersection ID.

## Top intersections by severe injuries

| intersection_name | total_crashes | ksi_crashes | fatal_crashes | fatalities | severe_injuries | pedestrian_ksi_crashes | bicycle_ksi_crashes |
| --- | --- | --- | --- | --- | --- | --- | --- |
| CAPITOL EXPY & QUIMBY RD | 56 | 8 | 0 | 0 | 10 | 1 | 0 |
| CAPITOL AVE & MCKEE RD | 55 | 6 | 1 | 1 | 5 | 5 | 1 |
| CAPITOL EXPY & STORY RD | 87 | 3 | 0 | 0 | 4 | 1 | 0 |
| CAPITOL EXPY & SENTER RD | 61 | 6 | 2 | 2 | 4 | 0 | 1 |
| CAPITOL EXPY & OCALA AVE | 50 | 4 | 0 | 0 | 4 | 0 | 1 |
| ELEVENTH ST & KEYES ST | 43 | 4 | 0 | 0 | 4 | 0 | 0 |
| ALUM ROCK AVE & WHITE RD | 25 | 2 | 0 | 0 | 4 | 0 | 0 |
| BAYSHORE FWY W & TULLY RD | 24 | 3 | 0 | 0 | 4 | 0 | 1 |
| FOURTH ST & SANTA CLARA ST | 20 | 4 | 0 | 0 | 4 | 1 | 2 |
| SANTA CLARA ST & TENTH ST | 19 | 4 | 2 | 2 | 4 | 1 | 0 |
| KING RD & STORY RD | 87 | 3 | 0 | 0 | 3 | 0 | 0 |
| CAPITOL EXPY & TULLY RD | 75 | 3 | 0 | 0 | 3 | 1 | 0 |
| CURTNER AVE/TULLY RD & MONTEREY RD | 54 | 4 | 1 | 1 | 3 | 2 | 0 |
| CAPITOL EXPY & SNELL AVE | 48 | 4 | 2 | 2 | 3 | 2 | 0 |
| BLOSSOM HILL RD & SNELL AVE | 47 | 2 | 0 | 0 | 3 | 0 | 1 |
| ABORN RD & SAN FELIPE RD/WHITE RD | 32 | 3 | 0 | 0 | 3 | 0 | 1 |
| ALMADEN EXPY & BLOSSOM HILL RD | 31 | 3 | 0 | 0 | 3 | 2 | 0 |
| CURTNER AVE & GUADALUPE FWY/UNIFIED WAY | 26 | 3 | 0 | 0 | 3 | 2 | 1 |
| ALMADEN EXPY & BRANHAM LN | 20 | 4 | 1 | 1 | 3 | 0 | 1 |
| FIRST ST & MATRIX BLVD | 17 | 3 | 0 | 0 | 3 | 1 | 0 |

Source: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512); `top_intersections.csv`, grouped by official intersection ID.

## Top intersections by pedestrian/bicycle-involved KSI crashes

| intersection_name | total_crashes | ksi_crashes | fatal_crashes | fatalities | severe_injuries | pedestrian_ksi_crashes | bicycle_ksi_crashes | vulnerable_road_user_ksi_crashes |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| CAPITOL AVE & MCKEE RD | 55 | 6 | 1 | 1 | 5 | 5 | 1 | 6 |
| CURTNER AVE & GUADALUPE FWY/UNIFIED WAY | 26 | 3 | 0 | 0 | 3 | 2 | 1 | 3 |
| FOURTH ST & SANTA CLARA ST | 20 | 4 | 0 | 0 | 4 | 1 | 2 | 3 |
| CONCOURSE DR & LUNDY AVE | 3 | 3 | 0 | 0 | 3 | 3 | 0 | 3 |
| CURTNER AVE/TULLY RD & MONTEREY RD | 54 | 4 | 1 | 1 | 3 | 2 | 0 | 2 |
| CAPITOL EXPY & SNELL AVE | 48 | 4 | 2 | 2 | 3 | 2 | 0 | 2 |
| MCLAUGHLIN AVE & TULLY RD | 43 | 2 | 1 | 1 | 1 | 0 | 2 | 2 |
| ALMADEN EXPY & BLOSSOM HILL RD | 31 | 3 | 0 | 0 | 3 | 2 | 0 | 2 |
| CANOAS GARDEN AVE & CURTNER AVE | 26 | 3 | 2 | 2 | 1 | 2 | 0 | 2 |
| BAL HARBOR WAY/MCCREERY AVE & STORY RD | 23 | 2 | 0 | 0 | 2 | 2 | 0 | 2 |
| KEYES ST & SEVENTH ST | 23 | 2 | 0 | 0 | 2 | 0 | 2 | 2 |
| SEVENTH ST & VIRGINIA ST/I-280 SB | 19 | 2 | 0 | 0 | 2 | 0 | 2 | 2 |
| MERIDIAN AVE & PARKMOOR AVE | 16 | 4 | 2 | 2 | 2 | 2 | 0 | 2 |
| MONTEREY RD & SAN JOSE AVE | 11 | 2 | 1 | 1 | 1 | 2 | 0 | 2 |
| SAN FERNANDO ST & TENTH ST | 11 | 2 | 0 | 0 | 2 | 2 | 0 | 2 |
| CIMINO AVE & LITTLE ORCHARD ST | 9 | 2 | 0 | 0 | 2 | 0 | 2 | 2 |
| MONTEREY RD & PALM AVE | 9 | 2 | 2 | 2 | 1 | 1 | 1 | 2 |
| MARTHA ST & TENTH ST | 8 | 2 | 0 | 0 | 2 | 1 | 1 | 2 |
| SAN GREGORIO WAY & SENTER RD | 8 | 2 | 0 | 0 | 2 | 2 | 0 | 2 |
| EMPIRE ST & THIRTEENTH ST | 5 | 2 | 0 | 0 | 2 | 0 | 2 | 2 |

Source: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512); `top_intersections.csv`, grouped by official intersection ID.

## Top intersections by speeding-positive KSI crashes

| intersection_name | total_crashes | ksi_crashes | fatal_crashes | fatalities | severe_injuries | pedestrian_ksi_crashes | bicycle_ksi_crashes | speeding_ksi_crashes |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| CAPITOL EXPY & QUIMBY RD | 56 | 8 | 0 | 0 | 10 | 1 | 0 | 2 |
| MCLAUGHLIN AVE & STORY RD | 48 | 2 | 0 | 0 | 2 | 0 | 0 | 2 |
| CAPITOL EXPY/SAN ANTONIO SR & JACKSON AVE | 31 | 2 | 0 | 0 | 2 | 0 | 0 | 2 |
| ALUM ROCK AVE & WHITE RD | 25 | 2 | 0 | 0 | 4 | 0 | 0 | 2 |
| BLOSSOM HILL RD & SANTA TERESA BLVD | 19 | 2 | 0 | 0 | 2 | 0 | 0 | 2 |
| MERIDIAN AVE & PARKMOOR AVE | 16 | 4 | 2 | 2 | 2 | 2 | 0 | 2 |
| GALAHAD AVE & STORY RD | 14 | 2 | 1 | 1 | 1 | 1 | 0 | 2 |
| DANIEL MALONEY DR/ELKINS WAY & NIEMAN BLVD | 9 | 2 | 1 | 1 | 2 | 0 | 0 | 2 |
| BERRYESSA RD/SUNCREST AVE & PIEDMONT RD | 6 | 2 | 2 | 2 | 0 | 0 | 0 | 2 |
| CAPITOL EXPY & STORY RD | 87 | 3 | 0 | 0 | 4 | 1 | 0 | 1 |
| CAPITOL EXPY & TULLY RD | 75 | 3 | 0 | 0 | 3 | 1 | 0 | 1 |
| CAPITOL EXPY & SENTER RD | 61 | 6 | 2 | 2 | 4 | 0 | 1 | 1 |
| CURTNER AVE/TULLY RD & MONTEREY RD | 54 | 4 | 1 | 1 | 3 | 2 | 0 | 1 |
| CAPITOL EXPY & OCALA AVE | 50 | 4 | 0 | 0 | 4 | 0 | 1 | 1 |
| ELEVENTH ST & KEYES ST | 43 | 4 | 0 | 0 | 4 | 0 | 0 | 1 |
| CAPITOL EXPY & SILVER CREEK RD | 38 | 1 | 0 | 0 | 1 | 0 | 1 | 1 |
| CAPITOL AVE/EXCALIBUR DR & CAPITOL EXPY | 32 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |
| ALMADEN EXPY & BLOSSOM HILL RD | 31 | 3 | 0 | 0 | 3 | 2 | 0 | 1 |
| PAYNE AVE & SAN TOMAS EXPY | 30 | 3 | 1 | 1 | 2 | 1 | 0 | 1 |
| ALUM ROCK AVE & JACKSON AVE | 29 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |

Source: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512); `top_intersections.csv`, grouped by official intersection ID.

## Official Priority Safety Corridors, 30m proximity

| corridor_name | total_crashes | ksi_crashes | fatalities | severe_injuries |
| --- | --- | --- | --- | --- |
| Monterey Road | 648 | 55 | 15 | 43 |
| Tully Rd | 798 | 46 | 12 | 38 |
| Capitol Expressway | 975 | 44 | 9 | 40 |
| Senter Road | 516 | 44 | 9 | 35 |
| Story Rd | 816 | 40 | 9 | 35 |
| White Rd | 548 | 39 | 14 | 28 |
| Blossom Hill Rd | 535 | 35 | 5 | 32 |
| Santa Clara St | 523 | 32 | 6 | 32 |
| First St | 570 | 30 | 3 | 32 |
| McKee Road | 448 | 29 | 8 | 23 |
| Quimby Rd | 204 | 26 | 5 | 25 |
| Santa Teresa Blvd | 272 | 25 | 7 | 18 |
| Curtner Ave | 380 | 23 | 5 | 18 |
| Capitol Ave | 382 | 22 | 4 | 18 |
| Meridian Ave | 369 | 22 | 4 | 18 |
| Almaden Exp | 387 | 22 | 8 | 19 |
| Alum Rock Ave | 396 | 21 | 4 | 21 |
| Jackson Av | 351 | 20 | 8 | 12 |
| King Road | 652 | 19 | 5 | 16 |
| 10th St | 313 | 19 | 4 | 18 |

[City PSC geometry](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/514); overlapping corridor counts must not be summed.

## Annual counts, separated by source network

| analysis_network | year | total_crashes | ksi_crashes | fatalities | severe_injuries |
| --- | --- | --- | --- | --- | --- |
| city_street_source | 2020 | 4310 | 250 | 48 | 227 |
| city_street_source | 2021 | 4664 | 268 | 58 | 235 |
| city_street_source | 2022 | 5096 | 236 | 63 | 189 |
| city_street_source | 2023 | 4487 | 245 | 50 | 210 |
| city_street_source | 2024 | 5576 | 225 | 46 | 195 |
| state_freeway | 2020 | 1998 | 64 | 18 | 53 |
| state_freeway | 2021 | 2577 | 85 | 24 | 69 |
| state_freeway | 2022 | 2991 | 74 | 21 | 62 |
| state_freeway | 2023 | 3068 | 80 | 23 | 67 |
| state_freeway | 2024 | 3168 | 66 | 20 | 50 |
| state_highway | 2020 | 8 | 0 | 0 | 0 |
| state_highway | 2021 | 5 | 0 | 0 | 0 |
| state_highway | 2022 | 4 | 0 | 0 | 0 |
| state_highway | 2023 | 9 | 0 | 0 | 0 |
| state_highway | 2024 | 16 | 0 | 0 | 0 |

Highways are the reviewed, mapped subset.

## Road segments by KSI: proximity bins, not risk rates

| network_scope | segment_name | length_m | total_crashes | ksi_crashes | fatalities | severe_injuries |
| --- | --- | --- | --- | --- | --- | --- |
| City-reported street proximity | MCKEE RD · component 0 / segment 6 | 402.34 | 83 | 7 | 0 | 7 |
| City-reported street proximity | MONTEREY RD · component 0 / segment 4 | 402.34 | 78 | 7 | 3 | 4 |
| City-reported street proximity | QUIMBY RD · component 0 / segment 3 | 402.34 | 63 | 7 | 0 | 9 |
| City-reported street proximity | E CAPITOL EXPY · component 0 / segment 4 | 402.34 | 61 | 7 | 2 | 5 |
| City-reported street proximity | E SANTA CLARA ST · component 0 / segment 2 | 402.34 | 54 | 7 | 4 | 5 |
| City-reported street proximity | MONTEREY RD · component 0 / segment 3 | 402.34 | 37 | 7 | 3 | 4 |
| City-reported street proximity | KEYES ST · component 0 / segment 1 | 402.34 | 39 | 6 | 0 | 6 |
| City-reported street proximity | TULLY RD · component 1 / segment 2 | 402.34 | 21 | 6 | 2 | 6 |
| City-reported street proximity | STORY RD · component 2 / segment 4 | 402.34 | 124 | 5 | 1 | 7 |
| City-reported street proximity | E SANTA CLARA ST · component 0 / segment 0 | 402.34 | 86 | 4 | 0 | 4 |
| City-reported street proximity | TULLY RD · component 1 / segment 6 | 402.34 | 83 | 4 | 1 | 3 |
| City-reported street proximity | OAKLAND RD · component 0 / segment 11 | 402.34 | 69 | 4 | 0 | 4 |
| City-reported street proximity | SARATOGA AVE · component 3 / segment 6 | 402.34 | 59 | 4 | 1 | 3 |
| City-reported street proximity | STORY RD · component 2 / segment 7 | 402.34 | 59 | 4 | 1 | 3 |
| CHP reviewed highway subset | Route 280 · component 160400 / segment 2 | 402.34 | 55 | 4 | 2 | 2 |
| CHP reviewed highway subset | Route 101 · component 157504 / segment 2 | 402.34 | 50 | 4 | 0 | 4 |
| City-reported street proximity | W CAPITOL EXPY · component 0 / segment 4 | 402.34 | 45 | 4 | 2 | 3 |
| CHP reviewed highway subset | Route 101 · component 157404 / segment 0 | 402.34 | 41 | 4 | 2 | 2 |
| CHP reviewed highway subset | Route 101 · component 157504 / segment 0 | 402.34 | 38 | 4 | 3 | 1 |
| City-reported street proximity | STORY RD · component 2 / segment 11 | 402.34 | 37 | 4 | 0 | 4 |

Nearest-centerline assignment can be ambiguous at intersections. Main analysis uses up to 0.25 mile; half-mile and intersection-radius sensitivity files accompany this table.

## Reviewed highway route totals: mapped subset

| corridor_name | total_crashes | ksi_crashes | fatalities | severe_injuries |
| --- | --- | --- | --- | --- |
| Route 101 | 3791 | 134 | 48 | 94 |
| Route 280 | 2945 | 62 | 12 | 55 |
| Route 87 | 1739 | 43 | 12 | 32 |
| Route 680 | 1436 | 42 | 12 | 35 |
| Route 85 | 1163 | 37 | 13 | 37 |
| Route 880 | 1995 | 34 | 5 | 33 |
| Route 237 | 598 | 12 | 2 | 10 |
| Route 17 | 176 | 5 | 2 | 5 |
| Route 130 | 1 | 0 | 0 | 0 |

CHP records passing City-boundary, same-route geometry, time and overlap checks. This is not complete highway coverage.

## Exposure-adjusted comparison: selected eligible mainline intervals

October 2022–September 2023; 22 eligible intervals only. Rates per 100 million vehicle-miles. Poisson confidence intervals condition on a fixed estimated exposure denominator.

| route | from_station | to_station | matched_mainline_crashes_50m | crashes_per_100_million_vehicle_miles | crash_rate_poisson_95ci_lower | crash_rate_poisson_95ci_upper |
| --- | --- | --- | --- | --- | --- | --- |
| 280 | SAN JOSE, JCT. RTE. 82 | GUADALUPE SEPARATION | 47 | 356.22 | 261.74 | 473.70 |
| 880 | SAN JOSE, NORTH FIRST STREET | SAN JOSE, JCT. RTE. 101 | 58 | 215.92 | 163.96 | 279.13 |
| 680 | SAN JOSE, JCT. RTE. 130 | SAN JOSE, MC KEE ROAD | 52 | 129.31 | 96.58 | 169.58 |
| 101 | SAN JOSE, JCT. RTE. 880 | SAN JOSE, NORTH FOURTH STREET CONNECTIONS | 30 | 126.94 | 85.64 | 181.21 |
| 237 | SAN JOSE, NORTH FIRST/ TAYLOR STREETS | SAN JOSE, ZANKER ROAD | 58 | 124.31 | 94.40 | 160.71 |
| 880 | SAN JOSE, JCT. RTE. 82 | SAN JOSE, COLEMAN AVENUE | 33 | 103.22 | 71.05 | 144.96 |
| 880 | SAN JOSE, OLD BAYSHORE HIGHWAY | COYOTE CREEK | 62 | 94.69 | 72.60 | 121.39 |
| 87 | ALMADEN EXPRESSWAY | SAN JOSE, LELONG STREET | 38 | 91.76 | 64.93 | 125.95 |
| 101 | SAN JOSE, JCT. RTE. 130 EAST | SAN JOSE, MC KEE ROAD | 22 | 88.77 | 55.63 | 134.41 |
| 280 | MCLAUGHLIN AVENUE | SAN JOSE, 10TH STREET | 63 | 88.52 | 68.02 | 113.26 |

See `exposure_analysis.md` for exclusions, calibration and all intervals. This is not a citywide or five-year risk ranking.

## Month, separated by source network

| analysis_network | month | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | January | 2038 | 101 | 2038 | 20 |
| City-reported streets and county expressways | February | 2012 | 103 | 2012 | 22 |
| City-reported streets and county expressways | March | 1946 | 85 | 1946 | 21 |
| City-reported streets and county expressways | April | 1774 | 105 | 1774 | 23 |
| City-reported streets and county expressways | May | 1975 | 102 | 1975 | 22 |
| City-reported streets and county expressways | June | 2135 | 112 | 2135 | 26 |
| City-reported streets and county expressways | July | 2103 | 117 | 2103 | 26 |
| City-reported streets and county expressways | August | 2146 | 103 | 2146 | 21 |
| City-reported streets and county expressways | September | 2024 | 104 | 2024 | 33 |
| City-reported streets and county expressways | October | 2096 | 102 | 2096 | 14 |
| City-reported streets and county expressways | November | 1975 | 101 | 1975 | 14 |
| City-reported streets and county expressways | December | 1909 | 89 | 1909 | 23 |
| Reviewed CHP freeway subset | January | 1171 | 29 | 1171 | 8 |
| Reviewed CHP freeway subset | February | 1081 | 30 | 1081 | 10 |
| Reviewed CHP freeway subset | March | 1124 | 28 | 1124 | 12 |
| Reviewed CHP freeway subset | April | 930 | 21 | 930 | 3 |
| Reviewed CHP freeway subset | May | 1071 | 32 | 1071 | 14 |
| Reviewed CHP freeway subset | June | 980 | 22 | 980 | 4 |
| Reviewed CHP freeway subset | July | 1107 | 32 | 1107 | 8 |
| Reviewed CHP freeway subset | August | 1194 | 34 | 1194 | 12 |
| Reviewed CHP freeway subset | September | 1186 | 44 | 1186 | 14 |
| Reviewed CHP freeway subset | October | 1361 | 39 | 1361 | 6 |
| Reviewed CHP freeway subset | November | 1290 | 29 | 1290 | 5 |
| Reviewed CHP freeway subset | December | 1307 | 29 | 1307 | 10 |
| Reviewed CHP nonfreeway state-highway subset | January | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | February | 4 | 0 | 4 | 0 |
| Reviewed CHP nonfreeway state-highway subset | March | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | April | 4 | 0 | 4 | 0 |
| Reviewed CHP nonfreeway state-highway subset | May | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | June | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | July | 2 | 0 | 2 | 0 |
| Reviewed CHP nonfreeway state-highway subset | August | 6 | 0 | 6 | 0 |
| Reviewed CHP nonfreeway state-highway subset | September | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | October | 4 | 0 | 4 | 0 |
| Reviewed CHP nonfreeway state-highway subset | November | 2 | 0 | 2 | 0 |
| Reviewed CHP nonfreeway state-highway subset | December | 5 | 0 | 5 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `month_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Day of week, separated by source network

| analysis_network | day_of_week | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | Friday | 3749 | 185 | 3749 | 40 |
| City-reported streets and county expressways | Monday | 3168 | 171 | 3168 | 35 |
| City-reported streets and county expressways | Saturday | 3756 | 199 | 3756 | 39 |
| City-reported streets and county expressways | Sunday | 3585 | 224 | 3585 | 41 |
| City-reported streets and county expressways | Thursday | 3272 | 153 | 3272 | 39 |
| City-reported streets and county expressways | Tuesday | 3285 | 148 | 3285 | 36 |
| City-reported streets and county expressways | Wednesday | 3318 | 144 | 3318 | 35 |
| Reviewed CHP freeway subset | Friday | 2274 | 54 | 2274 | 13 |
| Reviewed CHP freeway subset | Monday | 1882 | 47 | 1882 | 12 |
| Reviewed CHP freeway subset | Saturday | 1771 | 70 | 1771 | 17 |
| Reviewed CHP freeway subset | Sunday | 1361 | 68 | 1361 | 24 |
| Reviewed CHP freeway subset | Thursday | 2099 | 36 | 2099 | 8 |
| Reviewed CHP freeway subset | Tuesday | 2201 | 51 | 2201 | 14 |
| Reviewed CHP freeway subset | Wednesday | 2214 | 43 | 2214 | 18 |
| Reviewed CHP nonfreeway state-highway subset | Friday | 6 | 0 | 6 | 0 |
| Reviewed CHP nonfreeway state-highway subset | Monday | 5 | 0 | 5 | 0 |
| Reviewed CHP nonfreeway state-highway subset | Saturday | 7 | 0 | 7 | 0 |
| Reviewed CHP nonfreeway state-highway subset | Sunday | 4 | 0 | 4 | 0 |
| Reviewed CHP nonfreeway state-highway subset | Thursday | 5 | 0 | 5 | 0 |
| Reviewed CHP nonfreeway state-highway subset | Tuesday | 6 | 0 | 6 | 0 |
| Reviewed CHP nonfreeway state-highway subset | Wednesday | 9 | 0 | 9 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `day_of_week_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Hour, separated by source network

| analysis_network | hour | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | 00:00–00:59 | 835 | 49 | 835 | 9 |
| City-reported streets and county expressways | 01:00–01:59 | 640 | 59 | 640 | 11 |
| City-reported streets and county expressways | 02:00–02:59 | 631 | 33 | 631 | 7 |
| City-reported streets and county expressways | 03:00–03:59 | 403 | 26 | 403 | 7 |
| City-reported streets and county expressways | 04:00–04:59 | 325 | 19 | 325 | 8 |
| City-reported streets and county expressways | 05:00–05:59 | 365 | 23 | 365 | 7 |
| City-reported streets and county expressways | 06:00–06:59 | 508 | 32 | 508 | 11 |
| City-reported streets and county expressways | 07:00–07:59 | 853 | 30 | 853 | 8 |
| City-reported streets and county expressways | 08:00–08:59 | 1154 | 39 | 1154 | 13 |
| City-reported streets and county expressways | 09:00–09:59 | 867 | 22 | 867 | 6 |
| City-reported streets and county expressways | 10:00–10:59 | 920 | 30 | 920 | 5 |
| City-reported streets and county expressways | 11:00–11:59 | 1071 | 39 | 1071 | 4 |
| City-reported streets and county expressways | 12:00–12:59 | 1238 | 42 | 1238 | 11 |
| City-reported streets and county expressways | 13:00–13:59 | 1179 | 57 | 1179 | 9 |
| City-reported streets and county expressways | 14:00–14:59 | 1317 | 35 | 1317 | 3 |
| City-reported streets and county expressways | 15:00–15:59 | 1396 | 56 | 1396 | 9 |
| City-reported streets and county expressways | 16:00–16:59 | 1520 | 73 | 1520 | 17 |
| City-reported streets and county expressways | 17:00–17:59 | 1658 | 89 | 1658 | 13 |
| City-reported streets and county expressways | 18:00–18:59 | 1523 | 80 | 1523 | 21 |
| City-reported streets and county expressways | 19:00–19:59 | 1330 | 76 | 1330 | 12 |
| City-reported streets and county expressways | 20:00–20:59 | 1155 | 90 | 1155 | 16 |
| City-reported streets and county expressways | 21:00–21:59 | 1167 | 88 | 1167 | 23 |
| City-reported streets and county expressways | 22:00–22:59 | 1090 | 72 | 1090 | 18 |
| City-reported streets and county expressways | 23:00–23:59 | 988 | 65 | 988 | 17 |
| Reviewed CHP freeway subset | 00:00–00:59 | 332 | 25 | 332 | 4 |
| Reviewed CHP freeway subset | 01:00–01:59 | 265 | 24 | 265 | 9 |
| Reviewed CHP freeway subset | 02:00–02:59 | 257 | 20 | 257 | 6 |
| Reviewed CHP freeway subset | 03:00–03:59 | 212 | 15 | 212 | 5 |
| Reviewed CHP freeway subset | 04:00–04:59 | 173 | 21 | 173 | 12 |
| Reviewed CHP freeway subset | 05:00–05:59 | 361 | 9 | 361 | 6 |
| Reviewed CHP freeway subset | 06:00–06:59 | 450 | 12 | 450 | 3 |
| Reviewed CHP freeway subset | 07:00–07:59 | 587 | 11 | 587 | 2 |
| Reviewed CHP freeway subset | 08:00–08:59 | 772 | 16 | 772 | 2 |
| Reviewed CHP freeway subset | 09:00–09:59 | 532 | 8 | 532 | 1 |
| Reviewed CHP freeway subset | 10:00–10:59 | 406 | 6 | 406 | 1 |
| Reviewed CHP freeway subset | 11:00–11:59 | 444 | 8 | 444 | 5 |
| Reviewed CHP freeway subset | 12:00–12:59 | 527 | 5 | 527 | 1 |
| Reviewed CHP freeway subset | 13:00–13:59 | 557 | 6 | 557 | 0 |
| Reviewed CHP freeway subset | 14:00–14:59 | 761 | 11 | 761 | 1 |
| Reviewed CHP freeway subset | 15:00–15:59 | 1159 | 17 | 1159 | 5 |
| Reviewed CHP freeway subset | 16:00–16:59 | 1227 | 12 | 1227 | 2 |
| Reviewed CHP freeway subset | 17:00–17:59 | 1451 | 21 | 1451 | 4 |
| Reviewed CHP freeway subset | 18:00–18:59 | 1127 | 17 | 1127 | 0 |
| Reviewed CHP freeway subset | 19:00–19:59 | 597 | 15 | 597 | 3 |
| Reviewed CHP freeway subset | 20:00–20:59 | 405 | 17 | 405 | 7 |
| Reviewed CHP freeway subset | 21:00–21:59 | 449 | 18 | 449 | 5 |
| Reviewed CHP freeway subset | 22:00–22:59 | 403 | 28 | 403 | 14 |
| Reviewed CHP freeway subset | 23:00–23:59 | 348 | 27 | 348 | 8 |
| Reviewed CHP nonfreeway state-highway subset | 00:00–00:59 | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 01:00–01:59 | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 02:00–02:59 | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 03:00–03:59 | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 06:00–06:59 | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 07:00–07:59 | 2 | 0 | 2 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 08:00–08:59 | 2 | 0 | 2 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 09:00–09:59 | 2 | 0 | 2 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 10:00–10:59 | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 11:00–11:59 | 2 | 0 | 2 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 13:00–13:59 | 2 | 0 | 2 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 15:00–15:59 | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 16:00–16:59 | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 17:00–17:59 | 8 | 0 | 8 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 18:00–18:59 | 2 | 0 | 2 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 19:00–19:59 | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 20:00–20:59 | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 21:00–21:59 | 3 | 0 | 3 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 23:00–23:59 | 1 | 0 | 1 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `hour_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Weekday versus weekend, separated by source network

| analysis_network | is_weekend | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | Weekday | 16792 | 801 | 16792 | 185 |
| City-reported streets and county expressways | Weekend | 7341 | 423 | 7341 | 80 |
| Reviewed CHP freeway subset | Weekday | 10670 | 231 | 10670 | 65 |
| Reviewed CHP freeway subset | Weekend | 3132 | 138 | 3132 | 41 |
| Reviewed CHP nonfreeway state-highway subset | Weekday | 31 | 0 | 31 | 0 |
| Reviewed CHP nonfreeway state-highway subset | Weekend | 11 | 0 | 11 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `is_weekend_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Weekday rush hours, separated by source network

| analysis_network | rush_hour | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | Outside defined weekday rush hours | 18281 | 979 | 18281 | 204 |
| City-reported streets and county expressways | Defined weekday rush hours | 5852 | 245 | 5852 | 61 |
| Reviewed CHP freeway subset | Outside defined weekday rush hours | 8884 | 309 | 8884 | 100 |
| Reviewed CHP freeway subset | Defined weekday rush hours | 4918 | 60 | 4918 | 6 |
| Reviewed CHP nonfreeway state-highway subset | Outside defined weekday rush hours | 27 | 0 | 27 | 0 |
| Reviewed CHP nonfreeway state-highway subset | Defined weekday rush hours | 15 | 0 | 15 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `rush_hour_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Clock-defined daytime versus nighttime, separated by source network

| analysis_network | clock_night_18_06 | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | 06:00–17:59 | 13681 | 544 | 13681 | 109 |
| City-reported streets and county expressways | 18:00–05:59 | 10452 | 680 | 10452 | 156 |
| Reviewed CHP freeway subset | 06:00–17:59 | 8873 | 133 | 8873 | 27 |
| Reviewed CHP freeway subset | 18:00–05:59 | 4929 | 236 | 4929 | 79 |
| Reviewed CHP nonfreeway state-highway subset | 06:00–17:59 | 28 | 0 | 28 | 0 |
| Reviewed CHP nonfreeway state-highway subset | 18:00–05:59 | 14 | 0 | 14 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `clock_night_18_06_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Reported lighting, separated by source network

| analysis_network | lighting | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | Dark - No Street Light | 327 | 39 | 327 | 13 |
| City-reported streets and county expressways | Dark - Street Light | 7581 | 575 | 7581 | 135 |
| City-reported streets and county expressways | Dark - Street Light Not Functioning | 81 | 8 | 81 | 4 |
| City-reported streets and county expressways | Daylight | 13096 | 547 | 13096 | 105 |
| City-reported streets and county expressways | Dusk - Dawn | 937 | 52 | 937 | 8 |
| City-reported streets and county expressways | Unknown | 2111 | 3 | 2111 | 0 |
| Reviewed CHP freeway subset | DARK-NO STREET LIGHTS | 2213 | 110 | 2213 | 35 |
| Reviewed CHP freeway subset | DARK-STREET LIGHTS | 2057 | 101 | 2057 | 36 |
| Reviewed CHP freeway subset | DARK-STREET LIGHTS NOT FUNCTIONING* | 68 | 8 | 68 | 5 |
| Reviewed CHP freeway subset | DAYLIGHT | 8903 | 139 | 8903 | 26 |
| Reviewed CHP freeway subset | DUSK-DAWN | 561 | 11 | 561 | 4 |
| Reviewed CHP nonfreeway state-highway subset | DARK-NO STREET LIGHTS | 9 | 0 | 9 | 0 |
| Reviewed CHP nonfreeway state-highway subset | DARK-STREET LIGHTS | 6 | 0 | 6 | 0 |
| Reviewed CHP nonfreeway state-highway subset | DAYLIGHT | 27 | 0 | 27 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `lighting_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Reported weather, separated by source network

| analysis_network | weather | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | Clear | 18886 | 1112 | 18886 | 241 |
| City-reported streets and county expressways | Cloudy | 1016 | 57 | 1016 | 14 |
| City-reported streets and county expressways | Fog | 31 | 4 | 31 | 0 |
| City-reported streets and county expressways | Other | 52 | 0 | 52 | 0 |
| City-reported streets and county expressways | Rain | 893 | 44 | 893 | 8 |
| City-reported streets and county expressways | Snow | 5 | 0 | 5 | 0 |
| City-reported streets and county expressways | Unknown | 3232 | 6 | 3232 | 2 |
| City-reported streets and county expressways | Wind | 18 | 1 | 18 | 0 |
| Reviewed CHP freeway subset | CLEAR | 11603 | 328 | 11603 | 94 |
| Reviewed CHP freeway subset | CLEAR; CLOUDY | 4 | 1 | 4 | 0 |
| Reviewed CHP freeway subset | CLEAR; WIND | 6 | 0 | 6 | 0 |
| Reviewed CHP freeway subset | CLOUDY | 1224 | 24 | 1224 | 7 |
| Reviewed CHP freeway subset | CLOUDY; FOG/VISIBILITY | 5 | 0 | 5 | 0 |
| Reviewed CHP freeway subset | CLOUDY; RAINING | 280 | 7 | 280 | 3 |
| Reviewed CHP freeway subset | CLOUDY; SMOKEY | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | CLOUDY; SNOWING | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | CLOUDY; WIND | 3 | 0 | 3 | 0 |
| Reviewed CHP freeway subset | FOG/VISIBILITY | 4 | 0 | 4 | 0 |
| Reviewed CHP freeway subset | HAILING | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | HAZY(SMOKE) | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | RAINING | 651 | 9 | 651 | 2 |
| Reviewed CHP freeway subset | RAINING; HAIL | 3 | 0 | 3 | 0 |
| Reviewed CHP freeway subset | RAINING; WIND | 3 | 0 | 3 | 0 |
| Reviewed CHP freeway subset | RAINING; hail | 2 | 0 | 2 | 0 |
| Reviewed CHP freeway subset | SMOKEY | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | SMOKY | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | SNOWING | 2 | 0 | 2 | 0 |
| Reviewed CHP freeway subset | WIND | 5 | 0 | 5 | 0 |
| Reviewed CHP freeway subset | hail | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | CLEAR | 36 | 0 | 36 | 0 |
| Reviewed CHP nonfreeway state-highway subset | CLOUDY | 5 | 0 | 5 | 0 |
| Reviewed CHP nonfreeway state-highway subset | CLOUDY; RAINING | 1 | 0 | 1 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `weather_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Reported road surface, separated by source network

| analysis_network | roadway_surface | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | Dry | 19399 | 1150 | 19399 | 253 |
| City-reported streets and county expressways | Slippery (Muddy Oily etc.) | 32 | 1 | 32 | 0 |
| City-reported streets and county expressways | Snowy - Icy | 2 | 0 | 2 | 0 |
| City-reported streets and county expressways | Unknown | 3302 | 10 | 3302 | 2 |
| City-reported streets and county expressways | Wet | 1398 | 63 | 1398 | 10 |
| Reviewed CHP freeway subset | Dry | 12446 | 343 | 12446 | 96 |
| Reviewed CHP freeway subset | Slippery (muddy, oily, etc.) | 22 | 1 | 22 | 1 |
| Reviewed CHP freeway subset | Snowy or icy | 5 | 0 | 5 | 0 |
| Reviewed CHP freeway subset | Wet | 1329 | 25 | 1329 | 9 |
| Reviewed CHP nonfreeway state-highway subset | Dry | 40 | 0 | 40 | 0 |
| Reviewed CHP nonfreeway state-highway subset | Wet | 2 | 0 | 2 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `roadway_surface_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Reported roadway condition, separated by source network

| analysis_network | roadway_condition | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | Construction - Repair Zone | 113 | 2 | 113 | 0 |
| City-reported streets and county expressways | Flooded | 5 | 1 | 5 | 1 |
| City-reported streets and county expressways | Holes Deep Rut | 26 | 2 | 26 | 0 |
| City-reported streets and county expressways | Loose Material On Roadway | 31 | 4 | 31 | 2 |
| City-reported streets and county expressways | No Unusual Conditions | 20160 | 1181 | 20160 | 259 |
| City-reported streets and county expressways | Obstruction On Roadway | 37 | 1 | 37 | 1 |
| City-reported streets and county expressways | Other | 114 | 5 | 114 | 0 |
| City-reported streets and county expressways | Reduced Roadway Width | 20 | 2 | 20 | 1 |
| City-reported streets and county expressways | Unknown | 3627 | 26 | 3627 | 1 |
| Reviewed CHP freeway subset | CONSTRUCTION-REPAIR ZONE | 52 | 2 | 52 | 1 |
| Reviewed CHP freeway subset | CONSTRUCTION-REPAIR ZONE; FLOODED* | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | CONSTRUCTION-REPAIR ZONE; NO UNUSUAL CONDITIONS | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | CONSTRUCTION-REPAIR ZONE; OBSTRUCTION ON ROADWAY* | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | CONSTRUCTION-REPAIR ZONE; OTHER* - 3 RIGHT LANES CLOSED | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | CONSTRUCTION-REPAIR ZONE; OTHER* - LANE CLOSURE | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | CONSTRUCTION-REPAIR ZONE; REDUCED ROADWAY WIDTH | 23 | 0 | 23 | 0 |
| Reviewed CHP freeway subset | FLOODED* | 52 | 2 | 52 | 0 |
| Reviewed CHP freeway subset | FLOODED*; HOLES- DEEPRUT* | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | HOLES- DEEPRUT* | 23 | 0 | 23 | 0 |
| Reviewed CHP freeway subset | HOLES- DEEPRUT*; NO UNUSUAL CONDITIONS | 2 | 0 | 2 | 0 |
| Reviewed CHP freeway subset | LOOSE MATERIAL ON ROADWAY* | 4 | 0 | 4 | 0 |
| Reviewed CHP freeway subset | NO UNUSUAL CONDITIONS | 13528 | 360 | 13528 | 103 |
| Reviewed CHP freeway subset | NO UNUSUAL CONDITIONS; OBSTRUCTION ON ROADWAY* | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | NO UNUSUAL CONDITIONS; REDUCED ROADWAY WIDTH | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OBSTRUCTION ON ROADWAY* | 93 | 5 | 93 | 2 |
| Reviewed CHP freeway subset | OTHER* - BLOCKING LANES | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - CONED EMERGENCY SCENE | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - CONES IN #1 LANE | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - DEBRIS | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - FLARE PATTERN | 2 | 0 | 2 | 0 |
| Reviewed CHP freeway subset | OTHER* - LANE CLOSURE | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - NO LANE LINES | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - POLICE ACTIVITY | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - SMOKE/FIRE | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - SWEEPING MAINTENANCE | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - VEHICLE ON RIGHT SHOULDER | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | OTHER* - ice/hail | 1 | 0 | 1 | 0 |
| Reviewed CHP freeway subset | REDUCED ROADWAY WIDTH | 4 | 0 | 4 | 0 |
| Reviewed CHP nonfreeway state-highway subset | NO UNUSUAL CONDITIONS | 40 | 0 | 40 | 0 |
| Reviewed CHP nonfreeway state-highway subset | NO UNUSUAL CONDITIONS - NO UNUSUAL CONDITIONS | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | OBSTRUCTION ON ROADWAY* | 1 | 0 | 1 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `roadway_condition_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Collision type, separated by source network

| analysis_network | collision_type | total_crashes | ksi_crashes | ksi_crashes_known_crashes | fatalities |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | Broadside | 4946 | 240 | 4946 | 33 |
| City-reported streets and county expressways | Head On | 1692 | 81 | 1692 | 8 |
| City-reported streets and county expressways | Hit Object | 2460 | 195 | 2460 | 51 |
| City-reported streets and county expressways | Other | 1183 | 20 | 1183 | 2 |
| City-reported streets and county expressways | Overturned | 78 | 6 | 78 | 0 |
| City-reported streets and county expressways | Rear End | 6063 | 88 | 6063 | 13 |
| City-reported streets and county expressways | Sideswipe | 4954 | 67 | 4954 | 8 |
| City-reported streets and county expressways | Vehicle/Bike | 1397 | 174 | 1397 | 32 |
| City-reported streets and county expressways | Vehicle/Pedestrian | 1360 | 353 | 1360 | 118 |
| Reviewed CHP freeway subset | BROADSIDE | 204 | 11 | 204 | 1 |
| Reviewed CHP freeway subset | HEAD-ON | 71 | 11 | 71 | 7 |
| Reviewed CHP freeway subset | HIT OBJECT | 2468 | 118 | 2468 | 37 |
| Reviewed CHP freeway subset | OTHER | 62 | 3 | 62 | 0 |
| Reviewed CHP freeway subset | OVERTURNED | 228 | 20 | 228 | 7 |
| Reviewed CHP freeway subset | REAR END | 7031 | 111 | 7031 | 15 |
| Reviewed CHP freeway subset | SIDE SWIPE | 3685 | 53 | 3685 | 7 |
| Reviewed CHP freeway subset | VEHICLE/PEDESTRAIN | 52 | 42 | 52 | 32 |
| Reviewed CHP freeway subset | Unknown | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | BROADSIDE | 1 | 0 | 1 | 0 |
| Reviewed CHP nonfreeway state-highway subset | HIT OBJECT | 15 | 0 | 15 | 0 |
| Reviewed CHP nonfreeway state-highway subset | OVERTURNED | 2 | 0 | 2 | 0 |
| Reviewed CHP nonfreeway state-highway subset | REAR END | 16 | 0 | 16 | 0 |
| Reviewed CHP nonfreeway state-highway subset | SIDE SWIPE | 8 | 0 | 8 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `collision_type_summary.csv`. A category total is observed frequency, not exposure-adjusted risk. `ksi_crashes_known_crashes` is the number of rows with a known KSI flag.

## Recorded factors and unknown coverage

| analysis_network | factor | total_crashes | ksi_crashes | known_crashes | unknown_crashes |
| --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | speeding | 5725 | 339 | 17630 | 6503 |
| City-reported streets and county expressways | dui_intoxication_positive | 2155 | 179 | 2155 | 21978 |
| City-reported streets and county expressways | unsafe_turn_or_movement | 2594 | 96 | 17621 | 6512 |
| City-reported streets and county expressways | red_light_violation | 1982 | 125 | 17617 | 6516 |
| City-reported streets and county expressways | hit_and_run | 3903 | 130 | 3903 | 20230 |
| Reviewed CHP freeway subset | speeding | 7745 | 152 | 13400 | 402 |
| Reviewed CHP freeway subset | dui_intoxication_positive | 974 | 104 | 974 | 12828 |
| Reviewed CHP freeway subset | unsafe_turn_or_movement | 3602 | 141 | 13394 | 408 |
| Reviewed CHP freeway subset | red_light_violation | 4 | 0 | 13393 | 409 |
| Reviewed CHP freeway subset | hit_and_run | 3317 | 61 | 3317 | 10485 |
| Reviewed CHP nonfreeway state-highway subset | speeding | 18 | 0 | 39 | 3 |
| Reviewed CHP nonfreeway state-highway subset | dui_intoxication_positive | 5 | 0 | 5 | 37 |
| Reviewed CHP nonfreeway state-highway subset | unsafe_turn_or_movement | 16 | 0 | 39 | 3 |
| Reviewed CHP nonfreeway state-highway subset | red_light_violation | 0 | Unknown | 39 | 3 |
| Reviewed CHP nonfreeway state-highway subset | hit_and_run | 6 | 0 | 6 | 36 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `cause_summary.csv`. `total_crashes` here means factor-positive crashes. Known plus unknown gives the full network denominator; factor categories overlap.

## Road-user involvement and validated person outcomes

| analysis_network | road_user | mode_involved_crashes | mode_involved_ksi_crashes | actual_mode_ksi_persons_reported | actual_mode_ksi_persons_known_crashes | crash_population | mode_flag_unknown_crashes |
| --- | --- | --- | --- | --- | --- | --- | --- |
| City-reported streets and county expressways | pedestrian | 1359 | 351 | 213 | 13865 | 24133 | 2721 |
| City-reported streets and county expressways | bicycle | 1262 | 158 | 85 | 13865 | 24133 | 2741 |
| City-reported streets and county expressways | motorcycle | 689 | 200 | 115 | 13865 | 24133 | 2818 |
| City-reported streets and county expressways | vehicle_occupant | 22360 | 1096 | 314 | 13865 | 24133 | 1618 |
| Reviewed CHP freeway subset | pedestrian | 69 | 47 | 49 | 13802 | 13802 | 0 |
| Reviewed CHP freeway subset | bicycle | 8 | 2 | 2 | 13802 | 13802 | 0 |
| Reviewed CHP freeway subset | motorcycle | 354 | 69 | 70 | 13802 | 13802 | 0 |
| Reviewed CHP freeway subset | vehicle_occupant | 13631 | 343 | 286 | 13802 | 13802 | 71 |
| Reviewed CHP nonfreeway state-highway subset | pedestrian | 0 | 0 | 0 | 42 | 42 | 0 |
| Reviewed CHP nonfreeway state-highway subset | bicycle | 0 | 0 | 0 | 42 | 42 | 0 |
| Reviewed CHP nonfreeway state-highway subset | motorcycle | 1 | 0 | 0 | 42 | 42 | 0 |
| Reviewed CHP nonfreeway state-highway subset | vehicle_occupant | 41 | 0 | 0 | 42 | 42 | 0 |

Sources: [City crash archive](https://geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/512), [CHP CCRS](https://data.ca.gov/dataset/ccrs); `road_user_summary.csv`. A mode-involved KSI crash may injure a different road user. Actual mode-specific KSI people cover only crashes with validated person attribution; these are incomplete observed totals. Known-crash coverage and mode unknowns must accompany the values.