Traffic Collisions in Sierra County

2014 – 2025
201420152016201720182019202020212022202320242025
401
Collisions
15
People killed
500
People injured
83%
On state highways

Between 2014 and 2025, 401 collisions were reported to the CHP in Sierra County. They killed 15 people and injured 500. Annual collisions have risen 3% since 2014 — against the statewide trend. The single most common time for a crash here is 1 PM on a Saturday.

Collisions by year

2014 35
2015 36
2016 46
2017 34
2018 33
2019 35
2020 39
2021 13
2022 37
2023 34
2024 23
2025 36

When crashes happen

12 AM6 AM12 PM6 PM11 PM
Sunday 45
Monday 45
Tuesday 36
Wednesday 49
Thursday 46
Friday 87
Saturday 93

Roads With the Most Collisions

Freeways

  1. SR-49177
  2. SR-8981
  3. I-8043
  4. US-39523
  5. Gold Lake Highway1

City Streets

  1. Henness Pass Rd7
  2. Long Valley Rd7
  3. Smithneck Rd6
  4. Dog Valley Rd5
  5. Ridge Rd5
  6. Westside Rd5
  7. Beckwourth Calpine Rd4
  8. Jackson Meadows Rd3

Intersections With the Most Collisions

Involving a freeway

  1. SR-49 & Yuba Pass Rd15
  2. Oak Valley Rd & SR-4911
  3. SR-49 & SR-8910
  4. I-80 & Sierra County Line9
  5. Indian Valley Rd & SR-497
  6. Old Truckee Rd & SR-897
  7. Brandy City Rd & SR-496
  8. Lemon Canyon Rd & SR-496

City streets only

  1. Calpine Rd & Westside Rd5
  2. Beckwourth Calpine Rd & Calpine Rd4
  3. Dog Valley Rd & Stampede Dam Rd4
  4. Balls Canyon Rd & Long Valley Rd3
  5. Campbell Hot Springs Rd & Lemon Canyon Rd3
  6. Henness Pass Rd & Sunrise Creek Rd3
  7. 130 School St & Maiden Ln1
  8. Badenough Canyon Rd & Smithneck Rd1

Driving in Sierra County?

Compare your route against every one of these 401 collisions and take the one with the fewest.

Plan a safer route

Source: California Highway Patrol Statewide Integrated Traffic Records System (SWITRS), via the Transportation Injury Mapping System at UC Berkeley. Figures cover collisions reported to the CHP; minor crashes that were never reported do not appear. Road and intersection names are as recorded by the reporting officer.