Flying Junction - Examples

Examples

Australia

• Bowen Hills railway station in Brisbane, Australia
• Burnley railway station in Melbourne, Australia
• Camberwell railway station in Melbourne, Australia
• Central Station in Sydney, Australia
• Sandgate Flyover, Newcastle - main line flies over coal branch line

Cananda

• West Toronto Diamond in the Union Station Corridor

Denmark

• Junction of M1 and M2 lines on the Copenhagen Metro in Copenhagen, Denmark

France

(see "LGV Triangles" below)

United Kingdom

• Aynho Junction in Aynho, Northamptonshire
• Worting Junction near Basingstoke, Hampshire (NOTE the actual flyover (grade separation) is known as Battledown Flyover)
• Cogload Junction near Taunton
• Weaver Junction near Dutton, Cheshire (map) - the first ever
• Shortlands Junction in south London
• The junction northwest of Harrow-on-the-Hill, in the north London suburbs
• Hitchin flyover, under construction north of London

Taiwan

• Start of Shalun Line, south of Zhongzhou Station

United States of America

• Tremont Street Subway approaching the Pleasant Street Incline in Boston, Massachusetts.
• Broad Street Subway in Philadelphia has three flying junctions to un-built spurs on Stenton Avenue, the Roosevelt Boulevard, and Passyunk Avenue.
• Flying Junctions along the New York-Washington section of the Northeast Corridor, and the Philadelphia-Harrisburg section of the Keystone Corridor, both converging together at Zoo Interlocking near 30th Street Station in Philadelphia. All were built by the former Pennsylvania Railroad and are now maintained by Amtrak. 39°58′15″N 75°11′55″W / 39.97086°N 75.19848°W / 39.97086; -75.19848
• The New York City Subway features many flying junctions across its system.
• Flying junction connecting Metro-North Railroad's New Haven Line and Harlem Line, near Wakefield station in the Bronx.
• The Market Street Subway in San Francisco has a flying junction where streetcars from the J Church and N Judah lines join the main line of the subway. The subway portal is east of the intersection of Church Street and Duboce Avenue in the Duboce Triangle neighborhood, immediately north of a Safeway supermarket and south of the San Francisco branch of the United States Mint.
• The Regional Transportation District in Denver has a flying junction between the Southeast Corridor and the I-225 Corridor. At this location, the Southeast Corridor is located on the west side of I-25 and the I-225 Corridor is located in the median of I-225. The grade separations of the junction are woven into the grade separations of the interchange between the two highways. (map)
• All mainline connections on the Washington Metropolitan Area Transit Authority (Metro) rapid transit system use flying junctions. Adjacent to the Pepco power plant on Benning Road (near the Stadium-Armory station) is a large three track structure with a turnback pocket where the Blue and Orange lines meet. This would have been part of the Oklahoma Avenue station, had it been built. South of the King Street station in Alexandria is a series of tunnels where the Blue and Yellow lines meet. There are flying junctions at three underground rail stations: Rosslyn (Blue and Orange lines), L'Enfant Plaza (Green and Yellow lines), and the Pentagon (Blue and Yellow lines).
• Bloomfield (NJT station) to eliminate level crossings

LGV Triangles

• Triangle de Fretin, Lille, France. Connecting Paris, Brussels and London. (map)
• Triangle de Coubert, Paris, France. (map)
• Triangle des Angles, Avignon, France. With two parallel 1.5 km (0.93 mi) viaducts. (map)
• "Triangle de Messy", Paris, France. Partial four-way junction. (map)
• Triangle de Vémars, Paris, France. (map).