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The color-branded lines consist of three heavy rail lines (Red, Orange, and Blue), one branched light rail system , and a short light rail line (the Ashmont–Mattapan High-Speed Line, colored as part of the Red Line). All except the Ashmont–Mattapan line operate in tunnels in the downtown area, but no route operates entirely underground, and ...
The Blue Line is a rapid transit line in the Greater Boston metropolitan area, one of four rapid transit lines operated by the Massachusetts Bay Transportation Authority (MBTA). It runs from Bowdoin station in downtown Boston under Boston Harbor to East Boston and Revere on the inner North Shore, where it terminates at Wonderland .
The train may proceed subject to any speed restrictions applying to the section of line or to the train itself. (See also Flashing Green below.) Double yellow – Preliminary caution. The next signal is displaying a single yellow aspect. Flashing double yellow - indicates that the next signal is showing flashing yellow.
There are two main types of signaling aspect systems found in North America, speed signaling and weak route signaling. [citation needed] Speed signaling transmits information regarding how fast the train is permitted to be going in the upcoming segment of track; weak route signaling transmits information related to the route a train will be taking through a junction, and it is incumbent upon ...
The A Line (formerly and colloquially known as the Blue Line) [3] [4] is a light rail line in Los Angeles County, California. It is one of the six lines of the Los Angeles Metro Rail system, operated by the Los Angeles County Metropolitan Transportation Authority (Metro).
When a train has made a full brake application due to adverse event, or has lost its train air due to a defective valve (a "kicker"), or a broken air line or train separation. The train crew will normally declare that they are "in emergency" over the train radio, thus warning other trains and the dispatcher that there is a problem.
The Blue Line (formerly known as the Moreland Line and the Van Aken Line, and internally as Route 67) is a light rail line of the RTA Rapid Transit system in Cleveland and Shaker Heights, Ohio, running from Tower City Center downtown, then east and southeast to Warrensville Center Blvd near Chagrin Blvd. 2.6 miles (4.2 km) of track, including two stations (Tri-C–Campus District and East 55th ...
British Rail Class 303 or Blue Train, electric suburban trains introduced on the North Clyde Line and elsewhere in the Glasgow area; Blue Train (Yugoslavia), referred to as Tito's Blue Train, a luxury train used by former Yugoslav President Josip Broz Tito; Blue Train (Turkey), passenger train service in Turkey