traffic control line
41New Haven Line —      New Haven Line New Haven bound M8s pass through Port Chester, NY Overview …
42Old Main Line Subdivision — Ellicott City Station, built 1830, is the oldest surviving passenger station in the United States. Photo taken in 1970, looking south towards Baltimore …
43Professional Air Traffic Controllers Organization (1968) — For the active PATCO labor unions or disambiguation, see PATCO (disambiguation). PATCO Full name Professional Air Traffic Controllers Organization Founded 1968 Date dissolved 1981 …
44Western standard gauge line — VictorianRailwayLineInfobox type = vic name = Western standard gauge yearcommenced = 1889 yearopened = yearcompleted = 1995 (in current form) yearclosed = fate = lengthkm = stations = tracks = Single track, crossing loops users = Freight and The… …
45Nara Line — This article is about the West Japan Railway Company (JR West) line. For the Kintetsu line, see Kintetsu Nara Line.      Nara Line 奈良線 221 series EMU Miyakoji Rapid …
46117th Air Control Squadron — The 117th Air Control Squadron is headquartered in Savannah, GA. It provides theater command with air battle management, radar surveillance, air space control, and long haul communication capabilities to plan and execute combined air operations;… …
47Coast-to-Coast Line — An Rc hauled InterCity passenger train An X31 …
48Geelong-Ballarat railway line, Victoria — VictorianRailwayLineInfobox type = vic name = Geelong Ballarat yearcommenced = 1858 yearopened = 1862 yearcompleted = yearclosed = fate = lengthkm = stations = tracks = Single track, crossing loops users = Freight servicepattern = RollingStock =… …
49Midōsuji Line —      Midōsuji Line Midōsuji Line 21 series train with red line …
50Chinese Train Control System — The Chinese Train Control System (CTCS) is a train control system used on railway lines in People s Republic of China. CTCS is similar to the European Train Control System (ETCS).[1] It has two subsystems: ground subsystem and onboard subsystem.… …
