WZSC Glossary
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AFAD | |
Alley | |
Altered Speed ZoneA speed limit, other than a statutory speed limit, that is based upon an engineering study. MUTCD 2009 Edition with May 2012 Revisions 1 and 2 | |
ANSI | |
ApproachAll lanes of traffic moving toward an intersection or a midblock location from one direction, including any adjacent parking lane(s). MUTCD 2009 Edition with May 2012 Revisions 1 and 2 | |
ARROW BOARDSLighted sign panels conforming
to the requirements of the MUTCD with a matrix of
lights capable of either flashing or sequential
display of directional mode arrows or chevrons or non-directional
(caution) mode. These devices are also referred to as (sequential)
arrow panels. | |
Arterial Highway (Street) | |
AT GRADE CROSSING (CROSS TRAFFIC ONLY)Railway right-of-way (ROW) over which no other traffic may pass, except to
cross at grade level crossings. A median strip
right-of-way with grade-level crossing at intersection streets is included. | |
AT GRADE CROSSING (MIXED AND CROSS TRAFFIC) | |
Attended Lane (Manual Lane)A toll lane adjacent to
a toll booth occupied by
a human toll collector who makes change, issues receipts, and
perform other toll-related functions. Attended lanes at toll plazas typically
require vehicles to stop to
pay the toll. MUTCD 2009 Edition with
May 2012 Revisions 1
and 2 | |
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