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Glossary

Terms that are in use on this site.

There are 111 entries in this glossary.
All A B C D E F G H I L M O P R S T V W Z
Term Definition
WARRANT

The standardized conditions under which a traffic management technique is justified.

WATER TABLE

The upper level of the saturated/groundwater zone; the area where all open spaces are filled with water, just above groundwater.  The water table often functions as a transition zone, with a configuration similar to that of the overlying terrain.

WIDE OUTSIDE LANE

A wide outside/curb or shared lane (WCL) is the lane nearest the curb and is wider than a standard (12-foot) lane, providing additional space so that the lane may be shared more comfortably by motor vehicles and bicycles.  These lanes should be about 14 feet wide, as lanes wider than 15 feet can encourage the operation of two motor vehicles side by side.  If lanes become too wide, some motorists may also assume parallel parking is allowed, constricting the travel lane for bikes.

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