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Measure M: OCTA administers Measure M, a package of transportation improvements promised to voters in 1990 when they approved a half-cent sales tax. Measure M provides funding for freeway improvements, regional/local streets and roads projects and transit improvements.

Bus Operations: OCTA is Orange County’s primary provider of public transportation, operating in a 798 square-mile area serving more than 3 million residents in 34 cities and unincorporated areas. OCTA provides local bus, rail feeder, express and paratransit services.

Freeways: OCTA assists with planning, funding and delivering freeway improvements. Improvement projects on the Santa Ana Freeway (I-5), Riverside Freeway (SR-91), Orange Freeway (SR-57) and Costa Mesa Freeway (SR-55) have been completed. The Garden Grove Freeway (SR-22) Improvement Project is underway.

Streets and Roads: OCTA administers a variety of funding programs for cities to widen streets, improve intersections, coordinate signals and rehabilitate pavement. OCTA also administers regional streets and roads improvement projects.

Commuter Rail: OCTA funds and supervises Metrolink rail service in Orange County. Three Metrolink lines — the Orange County Line, the Inland Empire-Orange County Line and the 91 Line — transport more than 3.2 million riders per year.

Motorist Aid Services: OCTA provides emergency call boxes through the Service Authority for Freeway Emergencies (SAFE), offers emergency towing services with the Freeway Service Patrol (FSP), and provides funding to cities to remove abandoned vehicles through the Service Authority for Abandoned Vehicles (SAAV).

OCTAP: OCTA operates the Orange County Taxi Administration Program (OCTAP). OCTAP issues taxi business, driver, and vehicle permits on behalf of Orange County’s 34 cities.

91 Express Lanes: OCTA owns and operates the four-lane, 10-mile toll facility located in the median of the Riverside Freeway/SR-91 between the Costa Mesa Freeway/SR-55 and the Orange/Riverside County Line. OCTA’s purchase of the 91 Express Lanes cleared the way for traffic improvements along the SR-91 corridor by eliminating a "non-compete" provision that limited new highway expansion on the SR-91.