91 Project
Release Date: July 29, 2016

NEXT WEEK: Nightly Full Closures of the 91 at Maple Street
Monday, August 1 to Saturday, August 6, 2016

As part of the Riverside County Transportation Commission's (RCTC) 91 Project, the 91 will be closed nightly at Maple Street from Monday, August 1 to Saturday, August 6. The closure is necessary for crews to safely remove the temporary support structure from the Maple Street Bridge. Please see below for the schedule of closures and detour routes and refer to the map provided.
Eastbound 91 Closed Nightly at Maple Street:
  • Monday through Thursday from 10 pm to 5 am
Motorists will be directed to either of two detour routes:
1.       Exit Maple Street and re-enter eastbound 91 at the Paseo Grande on-ramp.
2.       Exit Maple Street, follow Sixth Street to El Sobrante Road, head south to Magnolia Avenue, head east to enter I-15 and then head north on I-15 to re-enter eastbound 91.
Please note that the nightly closures of eastbound 91 at I-15 will continue. Motorists should follow additional detour signs.   
Westbound 91 Closed Nightly at Maple Street
  • Wednesday and Thursday from 10 pm to 4 am
  • Friday from 11:59 pm to 7 am
  • Saturday from 11:59 pm to 7:30 am
Motorists will exit Maple Street, head north to Pomona Road and follow Pomona Road west to Auto Center/Serfas Club Drive to re-enter westbound 91.
Please follow posted detour signs, allow extra travel time, and avoid the area if possible.
For questions, please call the helpline or visit the website noted below. Thank you for your patience and understanding.
NOTE: Information contained in this Notice is subject to change based on weather, field conditions or other operational factors.


Project Helpline
Project Website