DAVIS, Calif. — California’s worst highways for run-ins between vehicles and animals, ranked according to cost-per-mile of dealing with the collisions. The findings are from a study released Thursday by the University of California, Davis, using data from reports to the Highway Patrol.

1.Interstate 280 in the San Francisco Bay Area: 386 collisions over 23 miles. Cost per mile: $874,520.

2.U.S. Highway 101 in Marin County: 225 collisions over 28 miles. Cost per mile: $525,009.

3.State Route 13 from Oakland to Berkeley: 81 collisions over 6.5 miles. Cost per mile: $307,218.

4.State Route 24 in Alameda and Contra Costa counties: 114 collisions over 11 miles. Cost per mile: $233,567.

5.State Route 174 in Nevada County: 75 collisions over 11 miles. Cost per mile: $216,521.

6.Interstate 680 in the San Francisco Bay Area: 221 collisions over 72 miles. Cost per mile: $193,762.

7.State Route 9 from Santa Cruz to Los Gatos: 119 collisions over 20 miles. Cost per mile: $151,995.

8.State Route 2 in the Los Angeles area: 33 collisions over 6 miles. Cost per mile: $144,731.

9.U.S. Highway 101 in the Los Angeles area: 13 collisions over 26 miles. Cost per mile: $137,735.

10.U.S. Highway 50 in El Dorado County: 245 collisions over 54 miles. Cost per mile: $118,692.