Southbound 15 Lanes, Ramps, and 15/91 Connectors
Riverside County Transportation Commission (RCTC) requires work to be completed on additional drainage for the southbound 15 between Hidden Valley Parkway and the 15/91 Interchange. This work is scheduled over three consecutive weekends in January 2021.
For the safety of crews and motorists, this work requires intermittent weekend closures of the 15 South to 91 East/West connectors. Lane reductions on southbound 15, between Hidden Valley Parkway and the 15/91 interchange, also will be in place as well the closure of the southbound 15 Hidden Valley Parkway on-ramp. Motorists can use Main street to southbound 15.
To assist motorists, detour information will be posted on southbound 15.
DETOUR: During the closure of the 15/91 Connectors, motorists can use southbound 15 to Magnolia Ave. off-ramp, follow signs to northbound 15 to access 91 east and west connectors.
Schedule of closures below:
| DATE | CLOSURES | DETOUR |
| Jan. 8-11 | Southbound 15 Lane Reductions (Hidden Valley Pkwy. to 15/91 Interchange) Hidden Valley Pkwy. on-ramp 9 p.m. Friday to 5 a.m. Monday 15/91 Connectors |
Main St.
Magnolia Ave. |
| Jan. 15-18 | Southbound 15 Lane Reductions (Hidden Valley Pkwy. to 15/91 Interchange) Hidden Valley Pkwy. on-ramp 9 p.m. Friday to 5 a.m. Monday 15/91 Connectors |
Main St.
Magnolia Ave. |
| Jan. 22-25 | Southbound 15 Lane Reductions (Hidden Valley Pkwy. to 15/91 Interchange) Hidden Valley Pkwy. on-ramp 9 p.m. Friday to 5 a.m. Monday 15/91 Connectors Southbound 15 to Westbound 91 |
Main St.
Magnolia Ave. |
Map: 91 Westbound Connectors Closure Jan 8-11 and 15-18
Map: 91 Eastbound Connectors Closure Jan 22-25
Download the Closure Flyer.pdf
Due to the dynamic nature of construction, this information is subject to change.
If information is needed in another language, please contact RCTC at (951) 787-7141 for free translation services.
