A series of fact sheets providing an overview of several
traffic calming measures are available from this Web page. A photograph of a typical
application as well as a plan-view sketch adapted from the Boulder, Colorado Neighborhood
Traffic Mitigation Program Toolkit are included within each fact sheet.
Four types of measures are summarized:
- Vertical deflections, horizontal shifts, and roadway
narrowings are intended to reduce speed and enhance the street environment for
- Closures (diagonal diverters, half closures, full closures, and median
barriers) are intended to reduce cut-through traffic by obstructing traffic movements in
one or more directions.
The information provided on these fact sheets has been
obtained from the research and experience of transportation engineering and planning
professionals. The information is intended for informational purposes only and does not
include ITE or FHWA recommendations on the best course of action.
Photos of traffic calming devices were provided by
For each traffic calming measure,
information has been compiled from a variety of sources, including:
Traffic Calming: State of the Practice (ITE/FHWA)
Traffic Calming Primer (Pat Noyes
1627 I ("Eye") Street, NW, Suite 600
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