SR-91 (SR-57 to SR-55) Improvement Project
Project Improvements
Segment 1, SR-91/Lakeview Avenue Interchange
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Reconstruct Lakeview Avenue overcrossing to include standard lanes, shoulders and sidewalks in each direction
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Realign westbound State Route 91 (SR-91) on-ramp at Lakeview interchange
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Add new on-ramp from Lakeview connecting directly to SR-55
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Separate westbound SR-91 and southbound SR-55 traffic
Segment 2, Between SR-55 and SR-57
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Add new eastbound general purpose lane
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Reconstruct Kramer Boulevard and Tustin Avenue overcrossings to include standard lanes, shoulders and sidewalks in each direction
Segment 3, SR-91/SR-57 Interchange
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Improve westbound SR-91 to northbound and southbound SR-57 connectors Add an auxiliary lane from SR-57 to Raymond Avenue/East Street off-ramp
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Reconstruct La Palma Avenue overcrossing to include standard lanes, shoulders and sidewalks in each direction
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Add bypass ramp for northbound SR-57 Orangethorpe Avenue off-ramp prior to SR-91, eliminating the need to merge across multiple lanes at the interchange
Project Partners and Funding
OCTA and Caltrans are working with the neighboring cities of Anaheim, Orange, Placentia, Fullerton and Yorba Linda. The project cost is $451 million and is funded by OC Go, 91 Express Lanes Excess Revenue and SB1.
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.