Roll way
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View of a track from a sand drag bumper post, in the Montreal Metro, showing the cross-section of guide bars, precast concrete roll ways and conventional track
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Ouchy M2 station, Showing the angle iron guide bars and the I-beam roll ways
A roll way or running pad is the pad placed on a concrete slab or on the ties outside the rails of the conventional track of a rubber-tired metro or tram.
- 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 (?)
- The ones of the Lille Metro are precast concrete
- The ones of the Toulouse Metro are precast concrete.
- Without a conventional track:
- 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, such as Translohr, use concrete slabs while being guided by a single central rail
See also
This article is issued from Wikipedia - version of the 3/24/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.