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The rail line traverses some of California s most scenic and environmentally - sensitive areas , and is located for extended stretches directly adjacent to the Pacific Ocean . The rail line was initially laid in the latter portion of the 19th century and early 20th century . Communities have been established

SR - 55 is a vital link to other major freeway systems in Orange County , and it is the only freeway providing a direct north - south connection between Central Orange County and the coastal region . Currently , SR - 55 between I - 405 and I - 5 has four regular lanes and one carpool lane in each direction , as well as merge lanes between some interchanges .

SR - 91 ( SR - 57 to SR - 55 ) Improvement Project ; SR - 55 ( I - 405 to I - 5 ) Improvement Project ; San Juan Creek Bridge Replacement Project ; Coastal Rail Emergency Projects ; News . News Releases ; Media Resources ; Publications ; On the Move Blog ; About . About OCTA . Overview ; Environmental Sustainability ; OCTA in the Community ;

OC Go , also known as Measure M , is a 30 - year one half - cent sales tax for transportation improvements in Orange County from 2011 through 2041 . After experiencing the success and progress of the original Measure M , nearly 70 percent of voters renewed the half - cent sales tax in 2006 to launch OC Go .

The City of Costa Mesa ( City ) identified congestion on State Route 55 ( SR - 55 )/ Newport Boulevard as a significant quality of life issue for adjacent residential and business communities . As a result , the City requested that the Orange County Transportation Authority ( OCTA ) together with its partner agency , the City Newport Beach , study ...

55 , 57 , 86 , 150 , 151 , 553 ORANGE COAST COLLEGE 47 , 55 , 178 Route 055 / 041025 Santa Ana to Newport Beach 55 via Standard Ave / Bristol St / Fairview St / 17th St . E ˜ ecte a 5 wwwoctanet 55 Santa Ana to Newport Beach via Standard Ave / Bristol St / Fairview St / 17th St Monday - Friday

The SR - 91 corridor study area is located near some disadvantaged communities and low - income neighborhoods including Northeast Anaheim , Fullerton , Placentia , and Orange ( Figure 2 ). ... between SR - 55 and Orange / Riverside county ... the California Highway Patrol provides the enforcement on the 91 Express Lanes . 1 . 3 Existing Facilities 1 . 3 . 1 ...

Phone ( 714 ) 560 - OCTA ( 6282 ) Business Hours Monday - Friday 8 : 00 a . m . - 5 : 00 p . m . Street Address 550 S . Main Street Orange , CA 92868

The Orange County Transportation Authority ( Authority ) invites proposals from qualified consultants to provide public outreach for the Interstate 5 Improvement Project from Interstate 405 to State Route 55 .

The newest train station planned in Orange County is the Placentia Station . The station will be conveniently located at Melrose Avenue and Crowther Avenue near the Orange Freeway ( SR - 57 ), serving the communities of Anaheim , Fullerton , Placentia and Yorba Linda .