encyclopedia

ORANGE COUNTY TRANSIT AUTHORITY

Multi-modal transportation agency serving Orange County. Orange County is moving with countywide bus and paratransit service, Metrolink rail service, the 91 Express Lanes toll facility, freeway, street and road improvement projects, motorist aid services and by regulating taxi operations.

ORDERS

Authorization to move a train, as given by a train dispatcher either in writing or orally. (TRB)

ORIGIN

1. The point at which a trip begins. 2. In planning, the zone in which a trip begins. (TRB)

ORIGIN DESTINATION STUDY (O-D STUDY)

A study of the origins and destinations of the trips of vehicles or travelers. It may also include trip purposes and frequencies.

ORIGIN-TO-DESTINATION SERVICE

Service in which the passenger-carrying vehicle will not stop along the way to pick up additional passengers. (TRB)

Original Budget

The Original Project Budget as established by Metro Board of Directors at the time it authorizes Construction Project Management Division to commence full design and construction of the project (Project Adoption).

ORIGINAL EQUIPMENT MANUFACTURER

A specified equipment component whose availability is only through the original manufacturer or designated supplier, due to the special design/application of the component.