Blue Line (Montreal Metro) Blue Line (Montreal Metro) The Blue Line () is one of the four lines of the Montreal Metro in Montreal, Quebec, Canada. It was the fourth to be built, notwithstanding its alternate official name of "Line 5" (Line 3 was planned, but never built). Unlike the other three routes, the Blue Line does not serve the city's main Metro station, Berri-UQAM. The line is served by a single yard located between Parc and de Castelnau stations which is completely underground and occupies a small portion underneath Jarry Park. Another service facility is located at the 500-metre end tracks following Snowdon
Washington Metro signaling and operation of 2012, during peak hour service the Red Line runs 51% eight-car trains, the Orange Line runs 40%, and the Green Line runs 50%, while the Blue and Yellow Lines run only six-car trains, for a total of 43 of 129 trains running at full length, or 33%. Washington Metro signaling and operation Signaling and operation on the Washington Metro system involves train control, station identification, train signaling, signage, and train length. As with any working railroad, communication between train operators, dispatchers, station personnel and passengers is critical. Failures will result in delays, accidents, and even fatalities. It is therefore