WZSC Glossary

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WZSC Glossary composed of MUTCD, NIOSH, OSHA, AASHTO
Browse the glossary using this index

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L

Logo

A distinctive emblem or trademark that identifies a commercial business and/or the product or service offered by the business. MUTCD 2009 Edition with May 2012 Revisions 1 and 2

Longitudinal Markings

Pavement markings that are generally placed parallel and adjacent to the flow of traffic such as lane lines, center lines, edge lines, channelizing lines, and others. MUTCD 2009 Edition with May 2012 Revisions 1 and 2

Louver

See Signal Louver. MUTCD 2009 Edition with May 2012 Revisions 1 and 2

LOW SPEED

A designated (posted) speed of 40 mph or below.

LOW VOLUME

An average daily traffic volume (ADT) of 400 vehicles per day or less.

LP

liquid petroleum MUTCD 2009 Edition with May 2012 Revisions 1 and 2

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