Speed Limit is 55 MPH in Work Zones on the Freeway: Please obey all posted speed limits within the work zone.
Watch for Cyclists: This project includes shared lanes with cyclists. Please give at least three feet of clearance when passing.
Closures and Detours Map
For a full list of weekly closures and detours, and the most up-to-date project information, please click on the project Google Map below.
Bookmark the closures and detours map above for quick access to real-time construction information. Click on the construction icons to view activities and closure and detour information. Plan for additional travel time through the area. Detour signs will be in place to assist motorists.
Crews continue construction on a new sound wall along westbound (WB) SR-91. This work will require the installation of cast-in-drilled-hole (CIDH) piles to form the foundation. CIDH work began on Monday, July 7 and is anticipated to continue as early as 7 a.m. to 5 p.m., on weekdays through early August.
Intermittent nighttime work for this activity will continue through early August.
Crews demolishing the old sound wall to accommodate the new SB SR-55 direct on-ramp that will be built.
Crews pouring concrete to construct the stems, the main structural support, of the new sound wall.
Crews continue drilling 16-inch CIDH concrete piles to form the foundation of the new sound wall.
This work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
Street Closures
Lakeview Avenue
Crews have begun drilling holes and installing shore beams along northbound (NB) Lakeview. These beams will support the foundation of the bridge. Daytime drilling and installation are anticipated to continue through early August. Lakeview will remain open to motorists during daytime hours.
Nightly, Starting as early as 11 p.m. to 6 a.m., Monday, August 4 through Friday, August 8 (into Saturday morning), NB Lakeview will be closed for shore beam installation. Southbound (SB) Lakeview will remain open to motorists.
Crews installing the first shore beam that will provide stabilization for the new Lakeview Avenue bridge.
Pedestrian access on the eastern side of Lakeview is closed.
This work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.
Freeway and Ramp Closures
Nighttime lane closures on eastbound (EB) and WB SR-91 will occur regularly throughout construction. At least one lane will be open to traffic at all times, unless otherwise specified.
WB Loop On-Ramp at Lakeview
Nightly, as early as 10 p.m. to 5 a.m., Monday, August 4 through Friday, August 8
EB Straight On-Ramp at Lakeview
Nightly, as early as 10 p.m. to 5 a.m., Monday, August 4 through Friday, August 8
Eastbound SR-91 Loop On-Ramp Closed for Approximately Two Years
The two-year closure of the EB SR-91 loop on-ramp from SB Lakeview Avenue began on Monday, July 7.
This closure is required for crews to demolish and reconstruct a retaining wall on EB SR-91 beneath the existing Lakeview bridge and construct an abutment for the new bridge.
About the Project
Overview
The SR-91 (SR-57 to SR-55) Improvement Project will improve 6.6 miles of State Route 91 (SR-91) through Anaheim, Fullerton, Orange, Placentia and Yorba Linda. The project will improve mobility throughout the corridor, reduce weaving and merging between ramps, and improve on- and off-ramps. The project will reconstruct the La Palma Avenue, Glassell Street, Tustin Avenue and Lakeview Avenue bridges and interchanges with standard lanes, shoulders and sidewalks in each direction.
Project Map
Project Schedule
Please be advised the schedule is subject to change.
