encyclopedia

CENSUS BLOCK

As defined by the Bureau of the Census, a geographic area wholly contained within a census tract and bounded on all sides either by streets or by a combination of streets, natural features, waterways, railways, transportation lines, or property lines…

CENSUS ENUMERATION DISTRICT (ED)

As defined by the Bureau of the Census, an area used for data collection activities and as a tabulation area where census blocks are not present. EDs do not cross boundaries of legal or statistical area and therefore vary widely…

CENSUS TRACT

As defined by the Bureau of the Census, a small statistical subdivision of a county. Generally, tracts have stable boundaries and 2,500-8,000 residents. When census tracts are established, they are designated to be relatively homogeneous areas in population characteristics, economic…

CENTER PLATFORM

A passenger platform located between two tracks or guideways so that it can serve them both. (TRB)

CENTRAL BUSINESS DISTRICT

As defined by the Bureau of the Census, an area of high land valuation characterized by a high concentration of retail businesses, service businesses, offices, hotels, and theaters, as well as by a high traffic flow. A CBD follows census…

CENTRAL CASH COUNTING ROOM

The location where all farebox vaults are emptied and the money counted and prepared for bank deposit.

CENTRAL CITY

As defined by the Bureau of the Census, the largest city, or one of the largest cities, in a metropolitan statistical area or urban area. The criteria for designating a central city vary with the type of area and the…

CENTRAL CONTROL FACILITY (CCF)

Location from which mainline operations are authorized, controlled and directed.

CENTRAL MAINTENANCE FACILITY

Renamed Regional Rebuild Center (RRC) in 1995. The facility, located adjacent to the Gateway Headquarters Building, provides heavy maintenance support for bus divisions and in part for the rail divisions. In addition the facility does similar work for other public…