Greetings from the field! Since the last issue of From the Field, a great deal of work has been accomplished. Overall, the 91 Project is about 70 percent complete, which is a major milestone. Crews completed lowering the Serfas Club Drive undercrossing and are continuing to relocate utilities. Temporary on-ramps and off-ramps are in place along the 91 to allow crews to continue to build permanent ramps. New FasTrak signs and Toll Utility Buildings have been added for future tolling operations.
As work continues, please remember that the speed limit within the project area is 55 MPH.  Not only do we want you to get home safely, but we also want to make sure our crews get home to their families after their shifts end. The California Highway Patrol has been enforcing the work zone 55 MPH speed limit and have issued speeding tickets. If an officer cites you in the work zone, the fine is doubled.
On another note, RCTC has announced that the new Metrolink 91/Perris Valley Line will start service on June 6. This new rail service will provide a new transit option for commuters who are traveling west from the Perris Valley and southwestern Riverside County. Trains will run Monday through Friday and will pass through Riverside and Corona before continuing to Los Angeles Union Station. For more information about the new 91/Perris Valley Line, including schedules and fares, please click here.
Please be on the lookout for the following work ahead:
1. Full nighttime closures of the eastbound 91 at Maple Street will occur May 23-26 and May 31 from 10 pm to 5 am each night. The closures will allow crews to remove falsework from the new westbound 91 Maple Street on-ramp bridge and install new falsework for the widening of the Maple Street Bridge. Drivers heading east on the 91 will be directed to the Maple Street off-ramp and then to Paseo Grande to reconnect to the eastbound 91. Once this work is completed, nighttime full closures of westbound 91 at Maple Street will occur. Please watch for signs and notices.
2. Full nighttime closures of the eastbound 91 near Interstate 15 also are scheduled to start soon. Motorists will be redirected either south on I-15 to Magnolia Avenue or north on I-15 to Hidden Valley Parkway. Please follow our construction alerts for more details by registering online or sending an email.
3. A dedicated right-turn lane on southbound Green River Road to the westbound 91 on-ramp will be available to drivers beginning Monday, May 23 at 4:30 am. The dedicated turn lane is in response to comments and feedback from Corona residents. Delineators will be installed to separate the two southbound lanes of Green River Road approaching the bridge. The right lane will guide motorists onto westbound 91. The left lane will be only for straight, through traffic.


Construction Ahead


Project Helpline

Project Website


County seal