Benefits Goals: Safety

508 unique benefits found.

An analysis of the I-90 ramp closure system in Minnesota found benefit-cost ratios ranging from 0.13:1 to 3:1 with varying estimates of crash and delay reductions.
Date Posted: 10/09/2001 | Source Date:
An anti-icing program implemented by the Idaho Transportation Department resulted in a 83 percent decline in winter crash frequency.
Date Posted: 10/05/2001 | Source Date:
In San Antonio, a modeling study found that if traffic congestion were to increase by 25 percent, posting nearby railroad crossing closing delays on freeway dynamic message signs would reduce crashes by 8.7 percent.
Date Posted: 09/19/2001 | Source Date:
A dynamic truck down hill speed warning system installed on I-70 in Colorado reduced the average speed of passing trucks by approximately 5.2 mi/hr.
Date Posted: 09/19/2001 | Source Date:
In Michigan, an evaluation of adaptive cruise control indicated that the technology was effective at reducing risky lane changes in response to slower traffic, but took 0.3 seconds longer than manually controlled vehicles to respond to lead vehicle b
Date Posted: 08/28/2001 | Source Date:
In Toronto, Canada, accident prediction models show that traffic-sensitive route guidance can increase crashes at low market penetrations and decrease crashes at higher market penetrations.
Date Posted: 08/02/2001 | Source Date:
An evaluation of infrared brake screening systems at weigh stations indicated the technology increased the percentage of vehicles placed out of service because of brake problems by 250 percent.
Date Posted: 07/06/2001 | Source Date:
FleetForward Evaluation, Final Report.
Date Posted: 06/04/2001 | Source Date:
Automated enforcement systems reduced red light violations by 20 to 60 percent, decreased right-angle crashes by 30 percent, and reduced crash injuries by 10 percent.
Date Posted: 05/25/2001 | Source Date:
Automated red light enforcement reduced the number of violations by 42 percent at 5 intersections in San Francisco, California.
Date Posted: 05/25/2001 | Source Date:
ITS Deployment Evaluation

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