Sand Canyon

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Sand Canyon Grade Separation Project

The Sand Canyon Avenue grade separation project is located along the Los Angeles – San Diego – San Luis Obispo (LOSSAN) rail corridor. The project is lowering Sand Canyon Avenue under the railroad crossing to provide a grade-separated crossing. The project area is between Interstate 5 and Oak Canyon/Laguna Canyon Road in the City of Irvine. A railroad bridge for two existing railroad tracks was built, while Sand Canyon Avenue is lowered and widened from four to six lanes.

The project will improve safety and mobility for the traveling public and railroad operations. Sand Canyon Avenue will remain open during construction.

Construction of the undercrossing began in mid-2011 and is scheduled to open to drivers late this summer. The project is budgeted at $64 million. Funding is provided by a combination of Measure M, Orange County’s half-cent sales tax for transportation improvements and state and local sources.

The City of Irvine is providing project updates to the community.

To learn more:
Toll free project helpline: 1-855-777-SAND (7263)
Website: City of Irvine Website - Sand Canyon Undercrossing

Tresa Oliveri

Project Contact

Tresa Oliveri
Outreach Manager
(714) 560-5374
ocbridges@octa.net


The OC Bridges Program is partially funded by Measure M, Orange County’s ½ cent sales tax for transportation improvements.