All: Safety

Displaying 10 of 893 result(s).

Implement a communication structure across jurisdictions that facilitates the flow of traffic data and allows agencies to coordinate traffic signal timing.
Content Type: Lesson | Date Posted: 09/16/2005 | Source Date:
Focus on detection, response and clearance to improve incident management, only turn to planning diversion routes after these are as robust as possible.
Content Type: Lesson | Date Posted: 09/16/2005 | Source Date:
In Salt Lake City, Utah the ADVISE fog warning system tested on a two-mile section of I-215 promoted more uniform traffic flow, reducing vehicle speed variability by 22 percent while speeds increased 11 percent.
Content Type: Benefit | Date Posted: 03/23/2005 | Source Date:
An I-40 work zone in Arkansas equipped with an automated work zone information system had fewer fatal crashes compared to similar sites without the technology.
Content Type: Benefit | Date Posted: 02/19/2004 | Source Date:
Automated pedestrian detection at signalized intersections tested in three U.S. cities reduced the number of pedestrians who began crossing during the steady DON’T WALK signal by 81 percent.
Content Type: Benefit | Date Posted: 01/01/2004 | Source Date:
On the Køge Bugt Motorway in Copenhagen, Denmark, variable speed limits reduced vehicle speeds by up to 5 km/h and contributed to smoother traffic flow during peak periods.
Content Type: Benefit | Date Posted: 11/13/2003 | Source Date:
Automated speed and red-light enforcement reduced the percentage of vehicles exceeding the speed limit by 58 percent, the number of persons killed or seriously injured by 4 to 65 percent, and the personal injury accident rate by 6 percent.
Content Type: Benefit | Date Posted: 07/25/2003 | Source Date:
In Nebraska, a portable speed detection and warning system placed upstream from an I-80 work zone decreased the highest 15 percent of vehicle speeds by about 5 mi/hr as vehicles approached the work zone lane merge area.
Content Type: Benefit | Date Posted: 05/28/2003 | Source Date:
A 1995 North American survey of traffic management centers using ramp metering, identified reductions of 15 to 50 percent in freeway crashes.
Content Type: Benefit | Date Posted: 01/01/2003 | Source Date:
In Glasgow, Scotland a freeway ramp metering system installed at an entrance ramp to the M8 motorway reduced the frequency of early merging by 29 percent.
Content Type: Benefit | Date Posted: 01/01/2003 | Source Date:
ITS Deployment Evaluation

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