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Traffic Calming

Publication No. FHWA-HRT-05-124. Traffic Calming. Lesson 20. Photo Source: PBIC, www.pedbikeimages.org. Lesson Outline. Need for traffic calming. Goals and objectives of traffic calming. Traffic calming issues. Types of traffic calming devices. Need for Traffic Calming.

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Traffic Calming

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  1. Publication No. FHWA-HRT-05-124 Traffic Calming Lesson 20 Photo Source: PBIC, www.pedbikeimages.org

  2. Lesson Outline • Need for traffic calming. • Goals and objectives of traffic calming. • Traffic calming issues. • Types of traffic calming devices.

  3. Need for Traffic Calming • Cut-through traffic. • Relatively high speeds in neighborhoods. • Determine the source of the problem. • Why do people cut through neighborhoods? • Traffic backup on main route. • More direct connection. • Why do people speed? • Make up time due to delay on main route.

  4. Need for Traffic Calming

  5. Goals and Objectives ofTraffic Calming • Increase safety by slowing vehicle speeds. • Improve street feel. • Enhance aesthetics. • Reduce crime. • Provide a balance among modes.

  6. Goals and Objectives ofTraffic Calming • Slows vehicle speeds. • Increases safety. • Accommodates motor vehicles.

  7. Traffic-Calming Issues • Safety. • Impact of traffic operations. • Lack of proven design standards. • Liability. • Emergency/service vehicle access. • Impacts on bicycling.

  8. Traffic-Calming Treatments

  9. Types of Traffic-Calming Devices • Raised pavement areas. • Reduced street area. • Street closures. • Traffic diversion. • Texture and visual devices. • Parking.

  10. Combination Devices • Woonerf. • Entry treatments. • Slow streets. • Channelization. • Traffic calming on major roads. • Modified intersection design.

  11. Lesson Summary • Traffic calming is a viable alternative for having different types of transport share the street. • There are many types of traffic-calming devices and strategies from which to choose.

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