All: Traffic Control

Displaying 37 result(s).

Changing Variable Speed Limit Signs from White to Amber Legend Decreased Crashes by Approximately 50 Percent and Increased Driver Compliance by Nine Percent in Utah.
Date Posted: 02/24/2022 | Source Date:
Simulation Study Estimates a Combination of Connected Vehicle Control and Variable Speed Limit Strategies Can Reduce Rear-End Crash Risk under Fog Conditions by 48.7 Percent.
Date Posted: 02/21/2022 | Source Date:
Simulation Study Estimates That a Fleet of Connected Vehicles Would Improve Safety Benefits from Weather-Responsive Traffic Management by 20 Percent in Severe Weather, As Measured by Inverse Time-to-Collision.
Date Posted: 02/18/2022 | Source Date:
Crashes during Snow Events Declined 42 Percent after Winter Season Variable Speed Limit Corridor Implementation in Ohio.
Date Posted: 06/21/2021 | Source Date:
All divisions at the Utah DOT TOC experienced improved staffing and better resource allocations when they had improved weather information.
Source Date:
A simulation study modeled the impacts of a weather-responsive traffic signal timing system in Waterloo, Canada and estimated the system can reduce total intersection delay up to 20 percent.
Date Posted: 07/23/2020 | Source Date:
A weather responsive signal control system installed on a busy corridor in Utah improved travel times by 3 percent and reduced overall stopped times by 14.5 percent during severe winter weather events.
Date Posted: 08/29/2014 | Source Date:
Using a Speed Management System for winter maintenance resulted in zero (100 percent reduction) winter weather related accidents in one section of highway in Snowmass Canyon.
Date Posted: 02/20/2014 | Source Date:
Icy Curve Warning Systems in California reduced the number of annual crashes by 18 percent, and the system was estimated to provide safety benefits of $1.7 million dollars per winter season.
Date Posted: 01/28/2014 | Source Date:
A potential average reduction in rear-end conflicts of approximately 22 percent for moderate volume levels and 43 percent for high volume levels are projected to be most eliminated by a weather-responsive traffic signal system.
Date Posted: 12/17/2013 | Source Date:
ITS Deployment Evaluation

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

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Washington, DC 20590

1-800-853-1351

its.dot.gov

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U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (OST-R)
 
 
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