Most dangerous roads - as of January 13, 2026

Over five years, California has recorded 19,241 crashes. The most dangerous roads are:
Rank         California Roads       Total Crashes

1                 I-5                               536

2                  US-101                       409

3                  SR-99                          368

4                    I-15                            290

5                    I-10                             252

6                    I-80                              211

7                    SR-1                            154

8                    SR-91                          121

9                     SR-4                            110

10                   I-215                              98

Where Fatal Crashes Happen in California:

• State highways: 49%
• U.S. highways: 8%
• Interstates: 29%
• Local streets: 15%

We also have city-level data available for localized coverage on request. You can explore the full study on the most dangerous places to drive and see how your state ranks here: https://www.iselect.com.au/car-insurance/insights/the-most-dangerous-places-to-drive/