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UPL (Up Passing Loop)

UPL (Up Passing Loop)

A loop on an Up line used to hold a train, enabling other trains to pass it.

The train held is usually a slower goods train, though UPL may also mean Up Passenger Loop in some contexts.

See also DPL , UGL ,DGL .


Last edited by GeoffM on 15/09/2016 at 03:00