All: Safety

Displaying 10 of 893 result(s).

In a rural area of Virginia, a collision countermeasure system installed on a two-way stop-controlled intersection reduced vehicle speeds by 2.4 mi/hr, and increased the average projected time to collision from 2.5 to 3.5 seconds.
Content Type: Benefit | Date Posted: 01/01/2003 | Source Date:
Automated red light enforcement at 11 intersections in Oxnard, California reduced crashes by 7 percent, decreased right-angle crashes by 32 percent, lowered injury crashes by 29 percent, and reduced right-angle injury crashes by 68 percent.
Content Type: Benefit | Date Posted: 01/01/2003 | Source Date:
In Iowa, a CB radio alert system designed to warn truckers of slow moving maintenance vehicles on freeways effectively warned 39 of 59 truckers interviewed that remembered seeing the maintenance work in-progress.
Content Type: Benefit | Date Posted: 01/01/2003 | Source Date:
In Greenwood, Nebraska a portable traffic management system designed to caution drivers of work zone activity and encourage use of alternative routes during periods of congestion increased traffic diversion by 4 percent.
Content Type: Benefit | Date Posted: 01/01/2003 | Source Date:
In Germany, a simulation study found that with 50 percent of vehicles equipped, the braking control features of a collision avoidance system would contribute to a 45 to 60 percent decrease in collisions when the leading vehicle brakes.
Content Type: Benefit | Date Posted: 12/19/2002 | Source Date:
An evaluation of CVISN technologies found that electronic screening techniques that promote compliance with commercial vehicle safety inspections could prevent thousands of truck accidents each year.
Content Type: Benefit | Date Posted: 08/14/2002 | Source Date:
A study of travelers on Snoqualmie Pass, WA found that DMS can decrease mean driving speeds and reduce accident severity.
Content Type: Benefit | Date Posted: 08/05/2002 | Source Date:
In Minneapolis-St.Paul, an evaluation of the effectiveness of ramp meters on four test corridors showed that the number of crashes recorded for the interim period with reduced ramp metering capacity was 15 percent higher that the average number of cr
Content Type: Benefit | Date Posted: 07/08/2002 | Source Date:
Evaluation studies showed that roadways equipped with automated speed enforcement can reduce the number of speeding vehicles by 27 to 78 percent.
Content Type: Benefit | Date Posted: 04/22/2002 | Source Date:
When the ramp metering system on Minneapolis-St. Paul freeways was deactivated, crash frequency increased by 26 percent.
Content Type: Benefit | Date Posted: 04/19/2002 | Source Date:
ITS Deployment Evaluation

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