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Grand Scales General Code of Operating Rules First Edition January 1, 2007

Spring Switch

A switch that is operated by hand but that can accept trailing train movements in either position without risk of derailment. Springs automatically return the position of the points to their normal position.

Station

A place designated in the timetable by name.

Superior Train A train having precedence over another train.

Switch

A device to connect one track diverging from another.

Timetable The authority for movement of regular trains subject to the rules. It may contain classified schedules and special instructions.

Track Bulletin A notice containing information as to track conditions or other conditions, necessary for the safe operation of trains or engines.

Train An engine or more than one engine, with or without cars, displaying a marker and authorized to operate on a main track.

Trainmen Conductors, brakemen, and car attendants.

Train Order

A paper order issued by an authorized member of railway operating staff, often a train dispatcher, that gives clear and specific instructions regarding the operations of trains.

Wheel Sliding A situation where the wheel is rotating slower than the longitudinal movement would indicate.

Wheel Slipping The situation where the wheel rotates faster than the longitudinal movement would indicate.

Yard A system of tracks other than main tracks and sidings, used for making up trains, storing of cars, and other purposes.

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