Latest Benefits Updates

An NHTSA modeling study indicated that lane change/merge crash avoidance systems would be 37 percent effective and road-departure countermeasure systems would be 24 percent effective.
Date Posted: 03/30/2007 | Source Date:
In Los Angeles, a survey of motorists who experienced an automated work zone information system found that 78 percent of respondents changed their route based on the information provided.
Date Posted: 03/29/2007 | Source Date:
An automated work zone information system deployed near Los Angeles effectively diverted traffic to alternate routes during periods of congestion.
Date Posted: 03/29/2007 | Source Date:
In Houston, a survey of motorists found that 85 percent of respondents changed their route after viewing real-time travel time information on freeway dynamic message signs.
Date Posted: 03/28/2007 | Source Date:
In Florida, the Road Ranger Service Patrol program saved over 1.7 million gallons of fuel by eliminating over one million vehicle-hours of delay in 2004.
Date Posted: 03/26/2007 | Source Date:
In North Carolina, a survey of motorists who experienced a smart work zone information system on I-95 found that 85 percent of respondents changed routes at least once in response to the delay and alternate route information posted.
Date Posted: 03/21/2007 | Source Date:
In the Minneapolis/St. Paul, traffic speed data collected at two interstate work zones showed that when portable traffic management systems were deployed, work zone traffic volumes increased 4 to 7 percent during peak periods.
Date Posted: 03/16/2007 | Source Date:
In the Minneapolis/St. Paul, a motorist survey found 61% of drivers who experienced a portable traffic management system at a work zone felt more informed about traffic conditions than at other work zones.
Date Posted: 03/16/2007 | Source Date:
In the Minneapolis/St. Paul, a portable traffic management system (PTMS) installed at two interstate work zones improved safety by slowing approaching vehicles by 9 mi/hr and reducing speed variability by 70 percent.
Date Posted: 03/16/2007 | Source Date:
Speed display trailers can reduce average vehicle speeds by 5 mi/hr and decrease the number of vehicles traveling at excessive speeds in rural work zones.
Date Posted: 03/14/2007 | Source Date:
ITS Deployment Evaluation

1200 New Jersey Avenue, SE
Washington, DC 20590

its.dot.gov

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