Car crash statistics in Monrovia, CA

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. This page covers traffic crashes, not crime. What the records show: 2,448 crashes were reported in Monrovia from 2021–2025, 921 with an injury and 8 with a death. 38% (California: 40%) of crashes injured someone. 22% (California: 25%) were hit-and-run.

• 38% (California: 40%) of crashes injured someone.
• 22% (California: 25%) were hit-and-run.
• 21% (California: 26%) happened between 8 p.m. and 6 a.m.
• The busiest hour was 5 p.m. (California: 5 p.m.).
• 48% were on a freeway.

Set against all reported crashes in California, 2021–2025. Without traffic counts these can't say how risky a street is.

The main cause the reporting officer recorded, as a share of all 2,448 crashes. It is the officer's judgement at the scene.

• Unsafe speed34% · 827
• Unsafe turning or lane change18% · 430
• Straying from the lane or driving on the wrong side13% · 323
• Failing to yield at an intersection or to turn8% · 207
• Running a red light or stop sign7% · 171

By type of collision: rear end 38%, side swipe 25%, broadside 17%, hit object 10%.

The latest year can rise as late reports come in, and some police departments file months late.

• 54 crashes (2%) involved a pedestrian.
• 38 crashes (2%) involved a bicyclist.
• 56 crashes (2%) involved a motorcyclist. See where they cluster

How many car accidents happen in Monrovia each year?

Reported crashes in Monrovia: 2021: 464, 2022: 477, 2023: 520, 2024: 531, 2025: 456. The latest year can rise as late reports come in, and some police departments file their reports months late.

What time do most crashes happen in Monrovia?

The busiest hour for reported crashes in Monrovia is 5 p.m.. 21% (California: 26%) happened between 8 p.m. and 6 a.m.

What causes crashes in Monrovia?

The main cause the reporting officer recorded, as a share of all 2,448 crashes: unsafe speed 34%, unsafe turning or lane change 18%, straying from the lane or driving on the wrong side 13%, failing to yield at an intersection or to turn 8%, running a red light or stop sign 7%.

How many people were killed in crashes in Monrovia?

8 crashes killed someone in 2,448 reported crashes in Monrovia from 2021–2025, and 921 crashes injured someone.

How many crashes in Monrovia involve pedestrians, cyclists or motorcyclists?

54 involved a pedestrian (2%), 38 involved a bicyclist (2%), 56 involved a motorcyclist (2%), of 2,448 reported crashes from 2021–2025.

Where does this data come from?

Police crash reports in the California Crash Reporting System (CCRS), published by the state on data.ca.gov. Every reported crash is counted, whatever the vehicles, and no locations are used.