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Railways
The means of conveyance of passengers and goods by way of wheeled vehicles running on rail tracks.
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Railways > Railroad 
retaining wall
Railways; Railroad
A wall for sustaining the pressure of earth or filling deposited behind it, used at railroad fills or cuts. See also Wing Wall or Abutment.
reverse curve
Railways; Railroad
A curve composed of two simple curves which join at a common tangent point or by a short tangent track or a reverse easement curve, and bear in opposite directions, i.e., as to ...
reverse loop
Railways; Railroad
A line which curves around and is attached back to itself to allow trains to be turned. Not often found on the prototype. Requires special wiring on two rail model systems.
bench mark
Railways; Railroad
A point of known elevation or point from which several other elevations are established.
ribbon rail
Railways; Railroad
Continuous welded rail free of joints or with very few joints in long stretches.
Sub-categories
- Rail electrical engineering (0)
- Rail infrastructure (0)
- Railroad (3643)
- Railway assembly parts (0)
- Railway control systems (0)
- Railway pneumatics (0)
- Railway sleepers (1)
- Train parts (467)
- Train supplies (2)
- Trains (48)