15 Express Lanes Construction Update – Week of April 30

Alternating nighttime lane closures are scheduled on northbound and southbound I-15 between State Route 60 and the Santa Ana River. The lane closures are needed for shoulder paving, striping, sawcutting and installing k-rail.

At least one lane will remain open at all times. The lane closure schedule next week is as follows:

Schedule Location
Monday, April 30 – Thursday, May 3
8 p.m. to 5 a.m. nightly
Northbound I-15
Santa Ana River to SR-60
Monday, April 30 – Thursday, May 3
9 p.m. to 5 a.m. nightly
Southbound I-15
SR-60 to Santa Ana River
Friday, May 4
9 p.m. to 6 a.m.
Northbound & Southbound I-15
Santa Ana River to SR-60
Saturday, May 5
9 p.m. to 7 a.m.
Southbound I-15
SR-60 to Santa Ana River

Crews will begin installing blocks for the southbound I-15 soundwall between El Cerrito Road and Cajalco Road.

Construction Corner

A weekly series to explain common construction terms. 


COZEEP: The Construction Zone Enhanced Enforcement Program (COZEEP) is a Statewide Interagency Agreement between the California Department of Transportation (Caltrans) and the California Highway Patrol (CHP). It enables Caltrans to hire CHP officers and vehicles to patrol project construction zones, which encourages motorists to reduce their speed and promotes overall safety in a construction area.

Neighboring Project

Cajalco Road / I-15 Interchange Improvement Project: Road work and closures may occur within the I-15 corridor as part of the City of Corona’s Cajalco Road / I-15 Interchange Improvement Project.  Click to view construction updates for this neighboring project or for more information, visit the project’s website at www.i15cajalco.com.

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