encyclopedia

OVERALL TRIP (EFFECTIVE OPERATING SPEED, CYCLE SPEED)

In transit operations, the average speed achieved per round trip, including layover time but excluding deadheading time. It is calculated by individual trips, by running time periods, or for the entire schedule. (TRB)

OVERHEAD

The regular operating expenses of a business, including the costs of rent, utilities, upkeep and taxes; excluding labor and materials. Not associated with a single cost objective.

OVERHEAD CONTACT SHOE (CONTACT SHOE, TROLLEY SHOE)

A metal bar for collecting current from an overhead conductor along which it slides. It is held in place by a pantograph or bow. (TRB)