The Orangeline Development Authority (OLDA) is a joint powers authority (JPA) formed to pursue development of a high speed, grade separated, environmentally friendly and energy efficient transit system in Southern California.
OLDA consists of 15 members:
City of Artesia
City of Bell
City of Bellflower
City of Bell Gardens
City of Cerritos
City of Cudahy
City of Downey
City of Glendale
City of Huntington Park
City of Maywood
City of Paramount
City of Santa Clarita
City of South Gate
City of Vernon
Burbank-Glendale-Pasadena Airport Authority
With supporting agencies that include Caltrans, District 7, Metropolitan Transportation Authority (Metro), Gateway Cities Council of Governments, Southern California Association of Governments (SCAG), San Fernando Valley Council of Governments and Golden State Gateway Coalition