encyclopedia

SWEEP TRAIN

The first train to operate over any section of mainline track each day or after an interruption of service exceeding one hour. Train operators shall operate at restricted speed and be alert, stopping short of: * Obstructions on the track.…

SWING RUN

Two operating assignments separated by a period of time during which the operating employee is unassigned and not paid. (TRB)

SWING SHIFT

1. The fourth or rotating shift used on continuous 7-day or round-the-clock operations. 2. Sometimes used instead of night or graveyard shift to mean work between approximately midnight and 8:00 a.m. or instead of evening shift to mean work ending…

SWITCH (RAIL INDUSTRY)

Special trackwork for routing from one track to another.

SWITCH (TELECOMMUNICATIONS)

Telephone switching equipment, also termed private branch exchange (PBX), switches telephone calls from outside lines to destinations (actually a series of switches). A PBX is operated for the sole use of a medium to large sized organizations. PBXs are used…

SWITCH BLOCK

Wooden block placed in an open switch point to hold a track switch in an intended position.

SWITCH CLAMP

A deviced placed on a closed switch point to secure a track switch in either the normal or reverse position.

SWITCH POINT

Movable, taped track rail, the point of which is designed to fix against the stock rail.

SWITCH STAND

A device with lever and lock used to move switch points manually.

SWITCHER OR SWITCH ENGINE

A locomotive used for switching. Often smaller and slower than road locomotives, with good visibility and steps for employees to ride.