Data last rebuilt 2026-09-22

Motorcycle crash hotspots in Hercules, CA

15 motorcycle crashes were reported in Hercules from 2021–2025, 3 of them serious or fatal. Below are the spots where they keep happening, what usually goes wrong at each one, and what to watch for.
motorcycle crashes, 2021–2025
15
motorcycle crashes, 2021–2025
serious or fatal
3
serious or fatal
fatal
0
fatal

Is Hercules safe to ride a motorcycle?

We don't rate cities as safe or unsafe: crash counts can't say how risky a street is, and busy streets have more crashes partly because more people use them. What the records show: 15 motorcycle crashes were reported in Hercules from 2021–2025, 3 of them serious or fatal. The most were at State Route 4 Westbound To Interstate 80 Eastbound & Interstate 80 (5). 60% involved no other vehicle, usually running wide or losing grip. 33% happened after dark.

How motorcyclists crash in Hercules

  • 60% involved no other vehicle, usually running wide or losing grip.
  • 33% happened after dark.

Where motorcycle crashes cluster

Spots with 3 or more reported crashes within about 250 m, worst first.

  1. 015 crashes · 2 serious or fatal

    State Route 4 Westbound To Interstate 80 Eastbound & Interstate 80

    Falls and fixed objects

    4 of 5 crashes were a fall or hitting an object, with no other vehicle involved. 40% happened after dark. Traffic is posted at about 65 mph.

    • Enter slower than feels necessary and watch for gravel, sand and diesel. Look through the bend.
    • Wear bright or reflective gear and use your high beam where you can.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map

Motorcycle crashes in Hercules by year

YearCrashesSerious/fatal
202120
202250
202321
202420
202542

Common questions about Hercules

Where do the most motorcycle crashes happen in Hercules?
The worst spot is State Route 4 Westbound To Interstate 80 Eastbound & Interstate 80, with 5 reported motorcycle crashes from 2021–2025, 2 of them serious or fatal.
How many motorcyclists were killed in Hercules?
No deaths were reported in 15 reported motorcycle crashes in Hercules from 2021–2025, and 3 left someone seriously hurt or killed.
How do motorcyclists usually crash in Hercules?
60% involved no other vehicle, usually running wide or losing grip. 33% happened after dark.
How many motorcycle crashes happen in Hercules each year?
Reported motorcycle crashes with map locations: 2021: 2, 2022: 5, 2023: 2, 2024: 2, 2025: 4. The latest year can rise as late reports come in.
Where does this data come from?
Police crash reports in the California Crash Reporting System (CCRS), published by the state on data.ca.gov. Only crashes reported with map coordinates are counted, so the real totals are higher.

Nearby cities

Source: California Crash Reporting System (CCRS), 2021–2025. Only crashes reported with map coordinates are counted, and many city police reports have none, so these numbers are lower than the real total. Freeway crashes are included: many motorcycle crashes in cities happen on them. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-09-22. How the data works.