Construction Update – Week of August 19


Full nighttime closures of northbound and southbound 15 at Magnolia Ave. for overhead sign removal are scheduled next week.

Full nighttime closures on northbound 15 at Hidden Valley Pkwy. for construction activities are also planned.

Detours will be clearly marked. The schedule is as follows:

Date, Time Location Detour
Tuesday, Aug. 20
10 p.m. to 4 a.m.
Northbound 15
From Magnolia Ave. to SR-91
Use Magnolia Ave. to the 91
Wednesday, Aug. 21
11 p.m. to 5 a.m.
Southbound 15
From SR-91 to Magnolia Ave.
Use Eastbound or Westbound 91 and detour to McKinley or Main
Sunday, Aug 25
11 p.m. to 4 a.m.
Northbound 15
Closure at Hidden Valley Pkwy.
Exit at Hidden Valley & re-enter Northbound 15
Monday, Aug. 26 –
Tuesday, Aug. 27
10 p.m. to 4 a.m. nightly
Northbound 15
Closure at Hidden Valley Pkwy.
Exit at Hidden Valley & re-enter Northbound 15

Intermittent lane reductions are scheduled on northbound and southbound 15, between Weirick Rd. and State Route 60, from 8 p.m. to 5 a.m., weeknights. During lane reductions, at least one lane will remain open at all times.

Closures on northbound and southbound Express Lane connectors are also planned intermittently on weeknights.

For more detailed detour information:


View the progress on the 15 Express Lanes and what’s coming up this month.

Neighboring Projects

60 Swarm Pavement Rehabilitation Project: Full weekend closures of eastbound State Route 60, between I-15 and the 60/91/215 interchange in Riverside, are scheduled. For more information, visit

Cajalco Rd. / I-15 Interchange Improvement Project: Alternating freeway lane and ramp closures are scheduled.  Visit for closure information.

Limonite Ave / I-15 Interchange Improvement Project::For complete schedule and closure information, visit .

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.

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