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City Releases Latest Report on Crash Trends, Identifies Actions to Improve Safety


The city has released the 2019 Vision Zero Boulder: Safe Streets Report, a comprehensive traffic crash analysis to understand where and how crashes are occurring and whom they involve and to identify specific actions to improve safety

Between 2015 and 2017, more than 21,000 people were involved in a crash in Boulder. Of those, seven were killed, while another 161 were seriously injured. These are more than numbers – they're people. They are our mothers, fathers, brothers, sisters, children and friends who have been seriously injured or killed just from moving place to place. The impact of their loss on our community is immense and permanent.

The Safe Streets Boulder Report, updated in July 2019, measures crash data in Boulder, identifies trends, evaluates past safety improvement efforts and outlines additional strategies that can help the city reduce crashes and achieve the goal of Vision Zero – part of the city’s Transportation Master Plan – which aims to eliminate all fatalities and serious injuries caused by traffic crashes.

The report also includes a detailed Vision Zero Action Plan with 50 specific actions that will be conducted over the next three years.

Report highlights

Nationwide, motor vehicle related deaths increased 14% from 2011 to 2017. However, in Boulder, motor vehicle related deaths, as well as serious injury crashes, have remained relatively constant in that same time frame, while the number of total crashes within the city has grown annually.

This chart shows severe crashes remaining relatively constant fro 2009 - 2017, while total crashes have increased.










The severe crash (those that result in fatality or serious injury) data analysis identified five overrepresented categories of travel where there is a disproportionate number of severe crashes (orange circle) in comparison to overall crashes (gray circle). These areas are our focus to eliminate fatal and serious injury crashes and include people walking, bicycling, traveling impaired, speeding and making left turns.

The five most overrepresented crash types in Boulder involve walking, bicycling, traveling impaired, speeding and making left turns.

Vision Zero Action Plan

Vision Zero is Boulder’s goal to eliminate all severe traffic crashes involving people using all modes of travel. The guiding principles of Vision Zero are centered around the use of a people-focused, data-driven, action-oriented and interdisciplinary approach, and proactively employing effective crash countermeasures, with a focus on continuous improvement.  

The 2019 - 2021 Vision Zero Action Plan pdf identifies 50 actions to eliminate severe crashes, reduce other crashes, improve travel safety and security, and enhance community awareness and engagement with Vision Zero. Some of the actions include:

  • Employ proven effective, safe and innovative intersection and corridor designs to improve safety for all modes,
  • Proactively implement new traffic signal timing practices, such as pedestrian head start and no right turn on red, at identified intersections,
  • Continue to pursue federal funding for and construct Highway Safety Improvement Program projects,
  • Strategically deploy the photo radar van and expand the number of red light cameras,
  • And more.

Find the full report, Vision Zero Action Plan and technical appendix with definitions and statistics at Safe Streets Boulder.