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Transportation
Any mode or method of locomotion that serves to move people, goods or services from one location to another.
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Transportation > Railway
unbalance speed
Transportation; Railway
Traveling through a curve faster than balance speed. This may also be expressed as the curve being under elevated for the speed. The amount of reduction in elevation from balanced ...
undercutter
Transportation; Railway
Production machine that removes the ballast from the track in one continuous operation.
uniform code of operating rules
Transportation; Railway
An operating rules book formerly used in the U.S.A.
unit train
Transportation; Railway
A freight train consisting of carloads of the same commodity moving from origin to one destination, on one day from one shipper to one consignee on one bill of lading.
v-max
Transportation; Railway
The maximum speed, based on a mathematical formula, permitted on a curve based on the average curvature and average superelevation.
Sub-categories
- Air freight (149)
- Bicycle & electric bicycle (2798)
- Boats & ships (8950)
- Buses & trams (85)
- Car rental (523)
- Nautical (6632)
- Navigation (24)
- Ocean shipping (5787)
- Railway (8121)
- Road freight (33)
- Shipping (19852)
- Subway (60)
- Supply chain management (84)
- Transportation equipment (167)
- Warehouses (3)