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SR-91 (SR-57 to SR-55) Improvement Project

SR-91 (SR-57 to SR-55) Improvement Project

The Orange County Transportation Authority (OCTA), in partnership with the California Department of Transportation (Caltrans), is improving State Route 91 from State Route 57 to State Route 55.

OCTA OC Go   SR-91 Improvement Project logo

Project Overview

The project will improve mobility throughout the corridor, reduce weaving and merging between ramps, and improve on- and off-ramps, sidewalks and bike lanes at the Glassell Street, Tustin Avenue and Lakeview Avenue interchanges. OCTA and Caltrans are working with the neighboring cities of Anaheim, Orange, Placentia and Fullerton.

Informational Webinar

Construction for Segment 1 of the SR-91 (SR-57 to SR-55) Improvement Project is starting soon! Join our upcoming webinar to get the latest project details and have your questions answered.

Thursday, April 10
Noon to 1 p.m.

register

Funding

The project cost is $779 million and is funded by Federal, State and Local sources.

Project Schedule


Segment 1
Segment 2
Segment 3

Early 2025 to Late 2027

Early 2026 to Early 2030

Late 2025 to Mid-2029

*Schedule subject to change

Contact the SR-91 Community Outreach Team

If you have questions or would like to request information in other language, please contact the Outreach Team at (888) 280-7966 or email 91project@octa.net.

Project Partners