Tuesday, August 11, 2026, 8:47 PM
Site: Work Zone Safety Training
Course: Work Zone Safety Training (HOME)
Glossary: WZSC Glossary
H
High conspicuity tapeRetroreflective marking material, usually
white or an alternating red-white pattern, that is applied to the
rear and sides of vehicles to create visual contrast and clearly
delineate vehicle size. |
HIGH SPEEDA designated (posted) speed of 45 mph or
above. |
HIGH VOLUMEWhile defined by each Agency, typically
identified as average daily traffic (ADT) volumes greater than 2000
vehicles per day. |
High-Occupancy Vehicle (HOV)A motor vehicle carrying at least two or more
persons, including carpools, vanpools, and buses.
MUTCD 2009 Edition with May
2012 Revisions 1 and 2 |
High-visibility vest/apparel"Personal protective safety clothing intended
to provide conspicuity during both daytime and nighttime usage"
[ANSI/ISEA 1999]. |
HighwayA general term for denoting a public way for purposes of vehicular travel, including the entire area within the right-of-way. MUTCD 2009 Edition with May 2012 Revisions 1 and 2 |
Highway Traffic SignalA power-operated traffic control device by
which traffic is warned or directed to take some specific action.
These devices do not include power-operated signs,
steadily-illuminated pavement markers, warning lights (see Section
6F.83), or steady burning electric lamps. |
Highway-Light Rail Transit Grade CrossingThe general area where a highway and a light
rail transit route cross at the same level, within which are
included the light rail transit tracks, highway, and traffic
control devices for traffic traversing that area.
MUTCD 2009 Edition with May
2012 Revisions 1 and 2 |
Highway-Rail Grade CrossingThe general area where a highway and a
railroad cross at the same level, within which are included the
railroad tracks, highway, and traffic control devices for highway
traffic traversing that area. MUTCD 2009 Edition with May
2012 Revisions 1 and 2 |
HOThigh occupancy tolls MUTCD 2009 Edition with May
2012 Revisions 1 and 2 |
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