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Roll way
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
.
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
Guided buses
and
people movers
run directly on concrete slabs or other surfaces between guide bars
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