By Christy McLeap

Be prepared for some more freeway closures as part of the Riverside County Transportation Commission’s (RCTC) 91 Project. This Thursday & Friday, September 29th and 30th there will be nighttime full closures of the 91 freeway at Maple Street.

These scheduled closures are needed for work crews to continue working on the second half of the new Maple Street Bridge.

Below is the nighttime closure schedule. As a note remember that lane reductions will occur about one hour prior to the full closures.

Eastbound 91 at Maple Street

  • Thursday, September 29, 11:59 pm to 4 am – As a detour you can exit at Maple Street, head east to Paseo Grande and re-enter eastbound 91.

Westbound 91 at Maple Street

  • Friday, September 30, 11:59 pm to 4 am – As a detour you will exit at Maple Street, head north to Pomona Road, head west on Pomona Road and re-enter westbound 91 at Auto Center Drive/Serfas Club Drive.

You’re asked to please follow posted detour signs. Also you should probably allow extra travel time, and check real-time traffic information using

If you have any questions about the 91 Project in Riverside County, you can call the helpline or visit


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