Construction Update – Week of April 15

There will be no lane or ramp closures Friday, April 19 through Sunday, April 21 in observance of the Easter weekend.


15/91 Connector closures are scheduled from Monday, April 15 to Thursday, April 18 from 8 p.m. to 4 a.m. nightly. The scheduled closures are as follows:

Date Connector
Monday, April 15
  • 15 Southbound to 91 Westbound
Tuesday, April 16 –
Thursday, April 18
  • 91 Eastbound to 15 Southbound

Detours will be clearly marked. View the Google map below for more information.



Intermittent lane reductions are scheduled on northbound and southbound

I-15, between Weirick Rd. and SR-60, from 8 p.m. to 5 a.m. weeknights. During lane reductions, at least one lane will remain open at all times.

Ramp closures are scheduled from 9 p.m. to 5 a.m. nightly:

Date Closure
Monday, April 15
  • SB 15 Hidden Valley Pkwy. on-ramp
  • NB 15 Magnolia Ave. on- and off-ramps
Tuesday, April 16 –
Wednesday, April 17
  • SB 15 Second St. on-ramp
Tuesday, April 18
  • SB 15 Sixth St. on- and off-ramp
  • SB 15 Ontario Ave on-ramp

Crews continue paving near 68th St. in Eastvale


Crews will be flagging on E. Sixth St. in Corona from Monday, April 15 to Friday, April 19 from 8 p.m. to 5 a.m. nightly for demolition work. Please allow extra time and use caution when traveling through the area.



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: Lane reductions are expected at Cajalco Ave. over the next several weeks. Visit for more information.

Limonite Ave / I-15 Interchange Improvement Project: Full freeway closures are expected on the 15 at Limonite Ave. over the next few weeks. Visit for dates and more information.

Caltrans Maintenance Work: Caltrans will be closing the eastbound 91 to 15 connector ramps, both north- and southbound, on Saturday April 13 from 5 a.m. to 9 a.m. for maintenance work. Please remember to reduce your speed in the work zone.

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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