Construction Update – Week of Sept 14


Nighttime lane reductions (8 p.m. to 5 a.m.) may be needed on northbound and southbound I-15, between Weirick Rd. and Route 60, and on westbound and eastbound 91, between McKinley St. and Main St. During lane reductions, at least one lane will remain open at all times.

Intermittent nighttime closures on ramps, the 15/91 connectors and 15/60 connectors are also planned.

The closure schedule is as follows:

Date, Time Location
Monday, Sept. 14
8 p.m. to 5 a.m.
15/60 Connector
15 north to 60 east/west
Tuesday, Sept.  15
8 p.m. to 4 a.m.

*9 p.m. to 5 a.m.

**9 p.m. to 6 a.m.

15/91 Connectors
91 west to 15 north
*91 west to 15 south
*15 south to 91 east

91 Eastbound
**Main St. on-ramp

Wednesday, Sept. 16
9 p.m. to 5 a.m.
15/91 Connectors
91 west/east to 15 south

15 Southbound
Magnolia Ave. on- and off-ramps
Hidden Valley Pkwy. on-ramp

Thursday, Sept. 17
8 p.m. to 5 a.m.
15 Northbound
Hidden Valley Ave. on-ramp
Second St. off-ramp
Cantu-Galleano Ranch Rd. off-ramp

15 Southbound
Cantu-Galleano Ranch Rd. on-ramp

15/60 Connectors
15 Northbound to 60 Eastbound

Friday, Sept. 18
9 p.m. to 5 a.m.
Southbound 15
El Cerrito Rd. on- and off-ramps


Nightly closures are scheduled of the 91 Express Lanes and adjacent general purpose lane between the 55/91 Interchange and the Orange/Riverside County line. The closure schedule is as follows:

  • 91 Express Lanes westbound and adjacent 91 westbound general-purpose lane, September 14-18, nightly from 8 p.m. to 4 a.m.
  • 91 Express Lanes eastbound and adjacent 91 eastbound general-purpose lane, September 14-18, nightly from 9 p.m. to 5 a.m.



91 Express Lanes customers using the 15 south connector can enjoy the additional free miles until the 15 Express Lanes open. If you do not use the 91 Express Lanes for your trip, do not enter the new extension on the 15.

Elsewhere, the new 15 Express Lanes remain closed as crews remain at work. Do not drive in the closed lanes and please drive safely in the construction area.



60 Swarm: Work is continuing on the Caltrans 60 Swarm Project, with nighttime closures of the 15/60 Interchange planned. Visit for details.


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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