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Pedestrian Facility Design
Roadway Design
Intersection Design
Traffic Calming
Traffic Management
Signals and Signs
Other Measures

its technologies (pedsmart)


Raised Intersections:

A raised intersection is essentially a speed table (see photograph to the right) for the entire intersection. Construction involves providing ramps on each vehicle approach, which elevates the entire intersection to the level of the sidewalk. They can be built with a variety of materials, including asphalt, concrete, stamped concrete, or pavers. The crosswalks on each approach are also elevated as part of the treatment to enable pedestrians to cross the road at the same level as the sidewalk, eliminating the need for curb ramps. Use detectable warnings to mark the boundary between the sidewalk and the street.

• Reduce vehicle speeds.
• Enhance the pedestrian environment at the crossings.
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• Don’t use if on a sharp curve or if the street is on a steep grade.
• May not be appropriate if the street is a bus route or emergency route. One device may be necessary and serve the primary need. Several raised devices may be disruptive, so other measures should be considered.
• Speed tables and raised crosswalks and intersections can be an urban design element through the use of special paving materials.
• Detectable warning strips at edges enable pedestrians with vision impairments to detect the crossing.
• Care must be taken to manage drainage.
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  Estimated Cost
Raised crosswalks are approximately $2,000 to $15,000, depending on drainage conditions and material used. The cost of a raised intersection is highly dependent on the size of the roads. They can cost from $25,000 to $75,000.
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Making Streets That Work, Seattle, 1996" border="0">

Photo by Cara Seiderman

Photo by Cara Seiderman
Photo by ITE Pedestrian Bicycle Council
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