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Traffic CalmingRoundabouts, curb bulb-outs, and speed humps are all are forms of traffic calming, which offer promise if properly applied to curb speeding and some forms of aggressive driving. Pedestrians especially benefit from traffic calming. Traffic calming employs physical changes to the roadway, signage or operation changes, and can be thought of as a "silent policeman" enforcing speed limits where no law enforcement are present.
Traffic Calming WebsiteThe Federal Highway Administration has financially supported the Institute of Transportation Engineers to develop a Traffic Calming Website in the interest of information exchange.
For additional information on traffic calming, visit the FHWA Office of Human Environment Website. |
Program ContactEdward Sheldahl What's NewEngineering Countermeasures for Reducing Speeds: A Desktop Reference of Potential Effectiveness USLIMITS 2 : Expert system for recommending speed limits based on NCHRP Project 3-67 Analysis of Speeding-Related Crashes (PDF 594 KB) HighlightsFatality Rate by Road Function Class Table (PDF 18 KB) Traffic Safety Facts: Speeding - 2007 (PDF 272 KB) USLIMITS Expert Speed Zoning Advisor (PDF 2.37 MB) |