Latest Benefits Updates

The Kansas City Scout program used ramp meters to improve traffic flow and reduce overall peak period travel times on a seven mile section of I-435 by 1 to 4 percent.
Date Posted: 11/01/2012 | Source Date:
A survey of US and foreign Adaptive Traffic Control Systems (ATCS) users reported that 71 percent thought ATCS outperformed conventional traffic signal systems.
Date Posted: 10/31/2012 | Source Date:
In 2009, the Washington State DOT Incident Response Team was able to clear 98 percent of incidents in under an hour and nearly three quarters in less than 15 minutes.
Date Posted: 10/31/2012 | Source Date:
Conversion of an HOV lane to a HOT lane in Washington State allowed for a 3 to 19 percent increase in speeds in general purpose lanes despite a 2 to 3 percent increase in volumes in the general lanes.
Date Posted: 10/31/2012 | Source Date:
Collisions on I-5 in Washington State have been reduced by 65-75 percent in a 7.5 mile corridor where an active traffic management system was deployed.
Date Posted: 10/31/2012 | Source Date:
A Benefit Cost analysis shows that dynamic curve speed warning signs have 30 percent effectiveness and an incremental B/C ratio between 2.79 to 5.57 for curves that already have static curve warnings.
Date Posted: 10/02/2012 | Source Date:
Analysis of optimal bus stop spacing based on archived automatic vehicle location data shows potential savings of $100,000 per year on one route.
Date Posted: 10/02/2012 | Source Date:
Use of archived data for "existing conditions" analysis is more time efficient and cost effective than collecting new data.
Date Posted: 10/02/2012 | Source Date:
Arrival predictions make customers think transit service has improved. Perceived wait times in London dropped from 11.9 to 8.6 minutes due to the Countdown System.
Date Posted: 10/02/2012 | Source Date:
An infrared detection system deployed in a mobile van correctly identified vehicles that need to be taken off the road 44 percent of the time; an improvement over using random selection alone.
Date Posted: 10/02/2012 | Source Date:
ITS Deployment Evaluation

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