Serpentine Design:
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Serpentine design refers to the use of a winding street pattern with built-in visual enhancements through a neighborhood, which allow for through movement while forcing vehicles to slow. The opportunities for significant landscaping can be used to create a park-like atmosphere.
Such designs are usually implemented with construction of a new neighborhood
street or during reconstruction of an existing street corridor. This type
of design can be more expensive than other traffic-calming options and needs
to be coordinated with driveway access.
| • Change the entire look of a street to send a message to drivers that
the road is not for fast driving. |
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• Where costs are a concern, lower cost, equally effective traffic-calming
strategies may be preferable.
• Most cost-effective to build as a new street or where a street will soon
undergo major reconstruction for utility or other purposes. |
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| The cost can be high ($60,000 to $90,000 per block) to retrofit a street, but
may be no extra to build a new street with this design if adequate right-of-way
is available. |
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Adapted from Making Streets That Work, Seattle, 1995
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