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Citywide signal timing promotes pedestrian traffic safety
Downtown DC signal at intersection
DDOT signal timing
Signal timing optimization
Traffic signal optimization
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Washington, DC Signal Timing Optimization

  • CLIENT: District of Columbia Department of Transportation (DDOT)
  • LOCATION: Washington, DC

Optimizing traffic signals has substantial benefits

Our team has led two consecutive contracts for the optimization of all 1,600+ traffic signals in DC. Studies have shown substantial mobility benefits to vehicular and transit traffic, pedestrians, and bicyclists. This optimization has made DC traffic signals safer and friendlier for pedestrians, improved bus running times and overall traffic flow, and reduced emissions. In particular, pedestrian mobility and safety are enhanced through improved timings and deployment of over 900 Leading Pedestrian Intervals, Age-Friendly crossing times, and removal of pedestrian pushbutton activation requirements at over 150 locations through the end of 2021.

Awards

ACEC Metropolitan Washington, Engineering Excellence Grand Award

ACEC Maryland, Outstanding Project

Key Project Aspects

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Vision Zero safety improvements

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ACEC award-winning projects

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Multimodal mobility benefits

More on this project

Mead & Hunt Wins ACEC-MW Grand Award
Signal timings can help your city become more age-friendly
Pedestrians Get More Time to Cross Busy Streets Under Mayor Bowser's Vision Zero Initiative
DDOT Retimes Traffic Signals In NW D.C. With Pedestrians, New 20 MPH Speed Limit In Mind
DC plans to change light timing at 270 intersections, but will it make pedestrians safer?

Video

Relevant Projects

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No Turn on Red Downtown DC

Washington, DC Rapid Deployment of Vision Zero Safety Improvements

on-call traffic engineering traffic signals at intersection

MDOT SHA On-Call Traffic Engineering Design

on-call traffic engineering for Baltimore city streets

Baltimore Traffic & Intelligent Transportation Systems Engineering

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