Roll way
Tracks for rubber-tyred metros
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Not to be confused with
Runway
.
A roll way or running pad is the pad placed on a concrete slab or on the ties on the outside of the 1,435 mm ( 4 ft 8 + 1 ⁄ 2 in ) conventional track along both running rails of a rubber-tyred metro or along the unconventional track of a tram . The rubber-tyred wheels roll directly on the roll ways.
-
With a conventional track:
- The ones of the Montreal Metro are precast concrete on a concrete slab .
- The ones of the Paris Métro are H-steel on ties.
- The ones of the Mexico City Metro are H-steel.
- The ones of the Santiago Metro are precast concrete below ground and H-steel above ground.
- The ones of the Lausanne Metro Line M2 are H-steel.
- The ones of the Lyon Metro (lines A, B and D) are H-steel.
-
Without a conventional track:
- The ones of the Lille Metro are precast concrete.
- The ones of the Toulouse Metro are precast concrete.
- The ones of the Sapporo Municipal Subway are flat steel with a central guide rail
- Busan Subway Line 4 , runs directly on a concrete slab between guide bars
- Many people mover systems, such as Crystal Mover , run directly on concrete slabs or other surfaces between guide bars
- Some guided buses , rubber-tyred trams , such as Translohr and Bombardier Guided Light Transit , use concrete slabs while being guided by a single central rail
Gallery
-
View of a track from a sand drag , in the Montreal Metro near the Beaugrand Station , showing the cross-section of guide bars , precast concrete roll ways and conventional track
-
Ouchy M2 station , showing the angle iron guide bars , the bumper posts and the I-beam roll ways as well as bumper posts
-
Lille Metro line 1 near Quatre Cantons Workshop, the absence of conventional rail for guidance at junctions is compensated by a central stub guide rail .
See also
- The technology of rubber-tyred metros
- Translohr , uses rollways
External links
- Visual dictionary
- Rail system
- VAL "Documentation technique du VAL 206 [ dont le VAL 208 en est l'évolution ] " (PDF) . traction-electrique.ch (in French) . Retrieved 7 February 2023 .
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