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Accident Report Detail

Safety Recommendation Report: Addressing Systemic Problems Related to the Timely Repair of Traffic Safety Hardware in California

Executive Summary

​Ongoing Investigation

The NTSB is investigating a fatal collision between a sport utility vehicle (SUV) and a previously damaged and nonoperational crash attenuator in Mountain View, California, on March 23, 2018. In the course of the investigation, we identified systemic problems within the California Department of Transportation (Caltrans) that negatively affect the timely repair of traffic safety hardware. Consequently, the NTSB is issuing a safety recommendation to the California State Transportation Agency (CalSTA). The NTSB is providing the following information in support of the recommendation.

Probable Cause

​This is an ongoing investigation.

Accident Location: Mountain View , CA USA  
Accident Date: 3/23/2018
Accident ID: HWY18FH011

Date Adopted: 8/12/2019
NTSB Number: HSR1901
NTIS Number: