A roll way or running pad is the pad placed on a
concrete slab
A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel- reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ...
or on the
ties TIES may refer to:
* TIES, Teacher Institute for Evolutionary Science
* TIES, The Interactive Encyclopedia System
* TIES, Time Independent Escape Sequence
* Theoretical Issues in Ergonomics Science
* The International Ecotourism Society
The Inter ...
on the outside of the
conventional track along both
running rails of a
rubber-tyred metro
A rubber-tyred metro or rubber-tired metro is a form of rapid transit system that uses a mix of road and rail technology. The vehicles have wheels with rubber tires that run on rolling pads inside guide bars for traction, as well as traditional ...
or along the unconventional track of a
tram
A tram (called a streetcar or trolley in North America) is a rail vehicle that travels on tramway tracks on public urban streets; some include segments on segregated right-of-way. The tramlines or networks operated as public transport are ...
. The rubber-tyred wheels roll directly on the roll ways.
* With a conventional track:
** The ones of the
Montreal Metro
The Montreal Metro (french: Métro de Montréal) is a rubber-tired underground rapid transit system serving Greater Montreal, Quebec, Canada. The metro, operated by the Société de transport de Montréal (STM), was inaugurated on October 14, ...
are
precast concrete
Precast concrete is a construction product produced by casting concrete in a reusable molding (process), mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples i ...
on a
concrete slab
A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel- reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ...
.
** The ones of the
Paris Métro
The Paris Métro (french: Métro de Paris ; short for Métropolitain ) is a rapid transit system in the Paris metropolitan area, France. A symbol of the Paris, city, it is known for its density within the capital's territorial limits, uniform ar ...
are
H-steel on ties.
** The ones of the
Mexico City Metro
The Mexico City Metro ( es, Metro de la Ciudad de México) is a rapid transit system that serves the metropolitan area of Mexico City, including some municipalities in Mexico State. Operated by the Sistema de Transporte Colectivo (STC), it is ...
are H-steel.
** The ones of the
Santiago Metro
The Santiago Metro ( es, Metro de Santiago) is a rapid transit system serving the city of Santiago, the capital of Chile. It currently consists of seven lines (numbered 1-6 and 4A), 136 stations, and of revenue route. The system is managed by th ...
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
The Lyon Metro (french: Métro de Lyon) is a rapid transit system serving Lyon Metropolis, France. First opened in 1974, it currently consists of four lines, serving 40 stations and comprising of route. Part of the Transports en Commun Lyonnais ...
(lines A, B and D) are H-steel.
* Without a conventional track:
** The ones of the
Lille Metro
The Lille Metro (french: Métro de Lille) is a driverless light metro system located in Lille, France. It was opened on 25 April 1983 and was the first to use the VAL (french: véhicule automatique léger, en, light automated vehicle) syst ...
are precast concrete.
** The ones of the
Toulouse Metro
The Toulouse Metro (french: Métro de Toulouse, oc, Mètro de Tolosa) is a rapid transit system serving Toulouse Métropole, France. It is the only Metro system in Occitanie. The city's public transport system was initially managed by the ''Socià ...
are precast concrete.
**The ones of the
Sapporo Municipal Subway
The is a mostly-underground rubber-tyred rapid transit system in Sapporo, Hokkaido, Japan. Operated by the Sapporo City Transportation Bureau, it is the only subway system on the island of Hokkaido.
Lines
The system consists of three lines: ...
are flat steel with a
central guide rail
**
Busan Subway Line 4
Busan Metro Line 4 () is a rubber-tyred metro line of the Busan Metro network that connects part of Gijang-gun, Busan, and upper Haeundae-gu, Busan, into Dongnae-gu, Busan Korea. It is operated by the Busan Transportation Corporation. Opened on ...
, runs directly on a
concrete slab
A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel- reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ...
between
guide bar
The rubber-tyred metro systems that incorporate track have angle irons as guide bars, or guiding bars, outside of the two roll ways. The Busan Subway Line 4, that lacks a rail track, has I-beams installed as guide bars. The flanges are vert ...
s
** Many
people mover
A people mover or automated people mover (APM) is a type of small scale automated guideway transit system. The term is generally used only to describe systems serving relatively small areas such as airports, downtown districts or theme parks. ...
systems, such as
Crystal Mover
The Crystal Mover is a rubber-tired automated people mover (APM) system for airport and light rail applications manufactured by Mitsubishi Heavy Industries in Mihara, Japan. The Crystal Mover, initially based on the Japanese APM standard, is us ...
, run directly on concrete slabs or other surfaces between guide bars
** Some
guided bus
Guided buses are buses capable of being steered by external means, usually on a dedicated track or roll way that excludes other traffic, permitting the maintenance of schedules even during rush hours. Unlike trolleybuses or rubber-tired tra ...
es,
rubber-tyred trams
A rubber-tyred tram (also known as tramway on tyres, french: tramway sur pneumatiques) is a development of the guided bus in which a vehicle is guided by a fixed rail in the road surface and draws current from overhead electric wires (either ...
, such as
Translohr
Translohr is a rubber-tired tramway (or guided bus) system, originally developed by Lohr Industrie of France and now run by a consortium of Alstom Transport and Fonds stratégique d'investissement (FSI) as '' newTL,'' which took over from Lo ...
and
Bombardier Guided Light Transit
Guided Light Transit (GLT, french: Transport sur Voie Réservée or TVR) was the name of guided bus technology and associated infrastructure designed and manufactured by Bombardier Transportation (now Alstom). It was installed in two French cit ...
, use concrete slabs while being guided by a single
central rail
Gallery
Image:QC-STM GarageBeaugrand 20040706-132759 VoieEssai.jpg, View of a track from a sand drag
Catch points and trap points are types of turnout which act as railway safety devices. Both work by guiding railway carriages and trucks from a dangerous route onto a separate, safer track. Catch points are used to derail vehicles which are ou ...
, in the Montreal Metro near the Beaugrand Station, showing the cross-section of guide bar
The rubber-tyred metro systems that incorporate track have angle irons as guide bars, or guiding bars, outside of the two roll ways. The Busan Subway Line 4, that lacks a rail track, has I-beams installed as guide bars. The flanges are vert ...
s, precast concrete
Precast concrete is a construction product produced by casting concrete in a reusable molding (process), mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples i ...
roll ways and conventional track.
Image:M2-Ouchy-train-arrive+track.jpg, Ouchy M2 station
Ouchy is a port and a popular lakeside resort south of the centre of Lausanne in Switzerland, at the edge of Lake Geneva (french: lac Léman).
Facilities
Very popular with tourists for the views of nearby France ( Évian-les-Bains, Thonon ...
, showing the angle iron guide bar
The rubber-tyred metro systems that incorporate track have angle irons as guide bars, or guiding bars, outside of the two roll ways. The Busan Subway Line 4, that lacks a rail track, has I-beams installed as guide bars. The flanges are vert ...
s, the bumper post
A buffer stop, bumper, bumping post, bumper block or stopblock (US), is a device to prevent railway vehicles from going past the end of a physical section of track.
The design of the buffer stop is dependent, in part, on the kind of couplings ...
s and the I-beam
An I-beam, also known as H-beam (for universal column, UC), w-beam (for "wide flange"), universal beam (UB), rolled steel joist (RSJ), or double-T (especially in Polish language, Polish, Bulgarian language, Bulgarian, Spanish language, Spanish ...
roll ways as well as bumper post
A buffer stop, bumper, bumping post, bumper block or stopblock (US), is a device to prevent railway vehicles from going past the end of a physical section of track.
The design of the buffer stop is dependent, in part, on the kind of couplings ...
s.
File:Ligne 1 du métro de Lille Métropole - Garage-atelier des Quatre Cantons (11).JPG, Lille Metro
The Lille Metro (french: Métro de Lille) is a driverless light metro system located in Lille, France. It was opened on 25 April 1983 and was the first to use the VAL (french: véhicule automatique léger, en, light automated vehicle) syst ...
line 1 near Quatre Cantons Workshop, the absence of conventional rail for guidance at junctions is compensated by a central groove.
See also
*
The technology of rubber-tyred metros
External links
Truck and runway (bogie and roll way)
{{rail-transport-stub
Permanent way