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National Transportation Safety Board Washington, D.C. 20594 Safety Recommendation Document Series

By Carmody, Carol J.

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Book Id: WPLBN0000707381
Format Type: PDF eBook
File Size: 54,300 KB.
Reproduction Date: 2006
Full Text

Title: National Transportation Safety Board Washington, D.C. 20594 Safety Recommendation Document Series  
Author: Carmody, Carol J.
Volume:
Language: English
Subject: Government publications, Transportation and society, National Transportation Safety Board (U.S.)
Collections: National Transportation Safety Board Collection
Historic
Publication Date:
Publisher: National Transportation Safety Board

Citation

APA MLA Chicago

Carmody, C. J. (n.d.). National Transportation Safety Board Washington, D.C. 20594 Safety Recommendation Document Series. Retrieved from http://worldebooklibrary.com/


Description
Government Reference Publication

Excerpt
Excerpt: In the past 2 years, the National Transportation Safety Board investigated nine rear-end collisions in which 20 people died and 181 were injured (three accidents involved buses and one accident involved 24 vehicles). Common to all nine accidents was the rear following vehicle driver?s degraded perception of traffic conditions ahead. During its investigation of the rear-end collisions, the Safety Board examined the striking vehicles and did not find mechanical defects that would have contributed to the accidents. In each collision, the driver of the striking vehicle tested negative for alcohol or drugs. Some of these collisions occurred because atmospheric conditions, such as sun glare or fog and smoke, interfered with the driver?s ability to detect slower moving or stopped traffic ahead. In other accidents, the driver did not notice that traffic had come to a halt due to congestion at work zones or to other accidents. Still others involved drivers who were distracted or fatigued. Regardless of the individual circumstances, the drivers in these accidents were unable to detect slowed or stopped traffic and to stop their vehicles in time to prevent a rear-end collision. As the Safety Board reported in 19953 and further discussed at its public hearing, Advanced Safety Technologies for Commercial Vehicle Applications, held August 31 through September 2, 1999, existing technology in the form of Intelligent Transportation Systems (ITS) can prevent rear-end collisions. Such systems, capable of alerting drivers to slowed or stopped traffic ahead, have been available for several years but are not in widespread use. The technology to alert drivers to traffic ahead includes adaptive cruise control (ACC), collision warning system (CWS), and infrastructure-based congestion warning systems. In the nine accidents investigated...

 

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