encyclopedia

TIME AND MATERIALS CONTRACT

A type of contract that provides for the procurement of supplies or services on the basis of direct labor hours at specified fixed hourly rates (which include wages, overhead, general and administrative expenses, and profit) and materials at cost.

TIME LOCKING

Interlocking protection which prevents the position of a switch, movable point frog or derail from being changed until a predetermined time has elapsed.

TIME OFF

The clock time recorded when an operator’s duties are completed. (TRB)

TIME ON

The clock time recorded when an operator actually reports, before pull-out time. (TRB)

TIME SERIES ANALYSIS

An analytic approach that separates the effects of trend, season, and cycle and is useful in evaluating demand. (TRB)

TIME-OF-DAY RAIL FARE

A fare that varies by time of day. It is usually higher during peak travel periods (peak fare) and lower during nonpeak travel periods (off-peak fare). (TRB)

TIMED TRANSFER

Two or more lines which meet at a common location and usually have waiting times built into the schedule at regular intervals so that passengers may easily make transfer connections to change vehicles.

TIMED TRANSFER SYSTEM (TTS)

A transit network consisting of one or more nodes (transit centers) and routes or lines radiating from them. The system is designed so that transit vehicles on all or most of the routes or lines are scheduled to arrive at…

TIMEPOINT

The points along the route of the bus or rail line which list the time the bus or train is scheduled to pass. For the bus schedule these are street intersections or major points of interest, such as a shopping…

TIMETABLE, EMPLOYEE’S

A document containing information governing the movement of vehicles. It usually contains a listing of stations and facilities for each route of the operator and may contain classified schedules of vehicles and special instructions. It should not be confused with…