Metro Magazine

FACT 2014

Magazine serving the bus and rail transit & motorcoach operations since 1904

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103 FACT BOOK 2015 m ETRO m AGAZINE > V viscosity: Measure of internal resistance to fow or motion offered by a fuid lubricant. VMT: Vehicle miles traveled. W wayside: Along the side of tracks. WBE: Women's Business Enterprise. Business owned or controlled by one or more women. Requires certifcation to receive preferential treatment for state and federal projects. Welfare to Work: Federal 1996 program to shift more welfare recipients to jobs. wheelbase: Distance between the front and rear axles. wheel slip: Difference between vehicle wheel speed and wheel speed expressed as a percentage. Y yard: Area for maintenance and storage of buses and railcars. Z ZEB: Zero-emission bus. Transport Workers Union: Major transit labor union. TRB: Transportation Research Board. Arm of the National Research Council. tripper: Assignment to a driver of work not long enough to qualify as a run or full day's work. trolleybus: Rubber-tired bus that draws power from overhead electric wires. Not to be confused with motor buses that have been outftted to resemble vintage streetcars. TSA: Transportation Security Administration. Created to protect the nation's transportation systems. turnkey: Type of privatization in which a transit agency hires a single company or consortium to supply systems, drivers, maintenance, management and/or vehicles. Concept has also been expanded to construction and operation of transit facilities. U unlinked passenger trip: One trip by one person on one vehicle; transfer to a second vehicle would be a second trip. upstream: Toward the source of traffc. UST: Underground storage tank. UZA: Urbanized area. One designated by the U.S. Census Bureau as having at least 50,000 inhabitants in a central city or two adjacent cities. suburban bus: With front doors only, and usually with high-back seats, no luggage compartments or restrooms. For use for longer distances with few stops. synthetic oils: Can be completely man-made or super-refned from mineral oils. T tare weight: Curb weight plus weight of mounted body. TCRP: Transit Cooperative Research Program. A cooperative effort of the industry, TRB and FTA in which the industry determines research priorities. TDM: Transportation Demand Management. Low-cost ways to reduce demand by cars on the transportation system. TIP: Transportation Improvement Program. Federally mandated state program of projects to be implemented over several years. tour: Bus rented by a group for longer periods of time, usually a few days to a few weeks. transfer center: Place where passengers change routes or modes of transportation. transit bus: One designed for frequent stops with front and back-center doors, traditionally with a rear-mounted diesel engine and low-back seating. transitway: Exclusive road or lane designated for buses and other transit vehicles. glossary

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