Vehicle Collisions in WeHo? Robertson Boulevard Takes First Place

Robertson Boulevard has a higher collision rate – adjusted for traffic volume – than any other major street in West Hollywood. Santa Monica, Sunset, and Fountain have the most collisions on an unadjusted basis. That is according to a new report by WeHo By the Numbers, using data from the city and the California Highway Patrol.

The analysis is based, in part, on 2,625 collisions reported between 2015 and 2017. The annual number of collisions dropped over the three-year period. There were over 1,000 in 2015. In 2016, the number declined to roughly 800. For 2017, the preliminary count is below 800.

A third of reported collisions occurred within 10 feet of an intersection. The 10 intersections with the most collisions were on La Cienega, Santa Monica, and Fountain. They were La Cienega and Sunset, La Cienega & Melrose, Santa Monica & Robertson, Santa Monica & San Vicente, Santa Monica & Crescent Heights, Santa Monica & La Brea, Fountain & Havenhurst, Fountain & Crescent Heights, Fountain & Hayworth, and Fountain & Fairfax.

Together, those intersections represented a quarter of collisions in intersections or eight percent of the overall total. The intersection with the most collisions had less than one percent of the overall total.

About 80% of all collisions happened on one of 13 major streets, or within 10 feet of them at an intersection. Three of those streets — Santa Monica, Sunset, and Fountain — together accounted for more than 50%. Santa Monica, all by itself, had 25% of the collisions.

Since Santa Monica, Sunset, and Fountain are among the most heavily traveled streets in the city, it is not surprising that they also represent a large share of the collisions. The report explores their relative riskiness with a metric that adjusts for traffic volume and length: collisions per million vehicle miles.

One of the city’s engineering firms did the calculations for major street segments using data from 2014 and 2015. The collision rates for Santa Monica, Sunset, and Fountain were not in the top 10 after adjusting for traffic volume. The numbers show that drivers on Robertson faced the highest collision rate. There were 6.9 collisions per million vehicle miles.

The southern part of La Cienega around Melrose came in second, with 6.6 collisions per million vehicle miles. Third place went to Doheny north of Santa Monica. The rest of the top 10 were La Brea, San Vicente (north of Santa Monica), Crescent Heights (north of Santa Monica), Holloway, the northern stretch of La Cienega, Doheny Road and Fairfax Avenue.

For updated collision rates, see the full report Which West Hollywood streets have the most traffic collisions?

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