The odd numbered passenger vehicle of a dependant pair that carries the air compressor and Automatic Train Protection (ATP) equipment.
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A-95
Circular A-95.
A-R-T
Art for Rapid Transit (Previously Art for Rail Transit.)
A.M. PEAK
PEAK.
AA/DEIS
Alternatives Analysis/Draft Environmental Impact Statement. A detailed informational document that presents an analysis of all reasonable alternatives to resolve a transportation need, the probable environmental effects and mitigation measures for significant effects. Under federal law, the AA/DEIS was replaced with…
AADT
Annual average daily traffic.
AAR
Association of American Railroads.
AASHTO
American Association of State Highway and Transportation Officials.
AAWDT
Annual Average Weekday Traffic.
AB
Vehicle Type Code: Articulated buses