king the limit of control of a block signal.
An employee assigned to a train when the engineer or conductor is not acquainted with the rules or portion of railroad over which the train is to be moved.
A station at which a train register is located.
A train authorised by timetable schedule.
A speed that will permit stopping within one half the range of vision; short of train, engine, railroad car, stop signal, derail or switch not properly lined, looking out for broken rail, not exceeding 20 MPH.
That part of a timetable which prescribes class, direction, number and movement for a regular train.
A track auxiliary to the main track for meeting or passing trains. The timetable will indicate stations at which sidings are located.
The appearance of a fixed signal conveying an indication as viewed from the direction of an approaching train; or the appearance of a cab signal conveying an indication as viewed by an observer in the cab.
The information conveyed by the signal aspect.
A main track upon which trains operate in both directions.
A switch equipped with a spring mechanism to restore the switch points to original position after having been trailed through.
A place designated in the timetable station column by name.
A portion of a division designated by timetable.
A train having precedence over another train.
A light type indicator used in connection with facing point movement over certain switches to indicate points fit properly.
The last station on each subdivision to which a train is authorised to occupy the main track.
The authority for the movement of trains subject to the rules. It may contain classified schedules and includes special instructions.
A notice containing information as to track conditions or other conditions, necessary for the safe operation of trains or engines.
A form used to authorise occupancy of main track where designated by special instructions.
Wayside detectors which are provided at various locations as shown in the timetable which detect such conditions as overheated journals (hot boxes), dragging equipment, excess dimensions, shifted loads, high water and (rock or earth) slides.
A method of authorising movements of trains or engines or protecting men or machines on a main track within specified limits in territory designated by special instructions or general order.
An engine, or more than one engine coupled, with or without cars, displaying a marker and authorised to operate on a main track.
A book of forms used at designated stations for registering time of arrival and departure of trains, and such other information as may be prescribed.
A switch, designated by letter “V” or bowl painted yellow, when trailed through the switch points remain lined in the position to which forced.
A system of tracks, other than main tracks and sidings, used for making up trains, storing of cars and for other purposes.
A portion of the main track, designated by yard limit signs and timetable, train order Form T, or track bulletin, which trains and engines may use as prescribed by Rule 93.
An engine assigned to yard service.