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Full System Track Schematic Legend and Nomenclature (Site not responding. Last check: 2007-10-18) |
 | | Every station is also identified by a letter number code system based on the route letter assigned to the route and the station number as assigned in ascending order as the route radiates away from the geographic center of the system. |
 | | The letter number code system is technically assigned to the RTU in the stations train control room or the way side train control room between stations and in yards. |
 | | When the train inters the advance approach track track circuit before the interlocking the onboard train destination code is transmitted to train control room and the train control room instruct the interlocking to set the path based on the destination code in the interlocking route table. |
| www.chesapeake.net /~cambronj/wmata/track_schematic/wmata_track_schematic_nomenclature.htm (2143 words) |