91 Eastbound Corridor Operations Project
Status: Pre-Construction
Location: Eastbound State Route 91, from the 241 Toll Road connector to State Route 71
Type of Project: Highways
Location: Eastbound State Route 91, from the 241 Toll Road connector to State Route 71
Engineering/Environmental Studies: Expected to be complete by fall 2026
Construction: Could begin as early as 2028
Investment: $178 million (estimate for design and construction)
OVERVIEW
The Riverside County Transportation Commission, in coordination with Caltrans, the Orange County Transportation Authority, the Transportation Corridor Agencies, and the City of Corona, will add a lane to eastbound State Route 91 from the 241 Toll Road connector to State Route 71 in Corona. The new lane is intended to help improve traffic operations on eastbound 91, especially during afternoon and evening hours.
Improvements also include:
- Widening two bridges
- Constructing retaining walls
- Rockfall mitigation measures
- Replacing overhead signs for better visibility
- A new two-lane exit ramp at Green River Road
The project is currently in the environmental revalidation phase, which is expected to be completed in fall 2026. RCTC is anticipated to award a Progressive Design-Build (PDB) contract in late 2026 to design and build the project.
Construction is anticipated to begin in 2028. RCTC anticipates to award a Progressive Design-Build (PDB) contract in late 2026 to
design and build the project.
Construction is anticipated to begin in 2028.