Construction Update – Week of May 27

There are no highway closures scheduled Friday morning, May 24 to Tuesday morning, May 28 in observance of Memorial Day. The 15 Express Lanes Project team honors those who’ve made the ultimate sacrifice for their country. Please remember to drive safely.


View our latest video in our “15 Facts on the 15 Express” series. See the benefits of using precast girders to build bridges on the 15 Express Lanes project.




The northbound  I-15 Magnolia Ave. on-ramp is scheduled to be closed Friday, May 31 and Saturday, June 1 from 11 p.m. to 7 a.m. nightly.

A section of the 91 Express Lanes on the northbound 15 from Ontario Ave. to State Route 91 will be closed from Tuesday, May 28 to Thursday, May 30, 8 p.m. to 4 a.m. nightly. The #1 General Purpose lane will also be closed.

Intermittent lane reductions are scheduled on northbound and southbound
I-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.

Sixth St Nighttime Closure

Crews will be closing Sixth St. at I-15 on Tuesday, May 28, from 4 a.m. to 6 a.m. for an abutment pour at the bridge.


A temporary traffic configuration is in place through summer on El Cerrito Road at I-15 to allow crews to widen the bridge. Please allow for extra travel time and use caution when traveling through the area.



Neighboring Projects

Cajalco Rd. / I-15 Interchange Improvement Project: No closures are scheduled at this time.Visit for more information.

Limonite Ave / I-15 Interchange Improvement Project: The Park and Ride Lot by Limonite Ave. will remain closed through October. Lane and ramp closures are scheduled. Visit for dates and more information.

91 Express Lanes Closures: There are multiple closures on the 91 Express Lanes for system and maintenance work. The schedule is as follows:

Date, Time Location
Friday, May 17
11 p.m. to 4:30 a.m.

Eastbound 91 Express Lanes
#1 General Purpose Lane

Saturday, May 18
11 p.m. to 4 a.m.

Eastbound 91 Express Lanes
#1 General Purpose Lane

Sunday, May 19
4 a.m. to 11 a.m.

Eastbound 91 Express Lanes
Westbound 91 Express Lanes



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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