RCTC – 15 Express Lanes Construction Update – Week of April 9

Alternating lane closures are scheduled at night on northbound and southbound I-15 between SR-60 and the Santa Ana River. At least two lanes will remain open at all times.

Crews will be paving the freeway shoulders as part of shoulder strengthening work to allow traffic shifts during construction.

The scheduled lane closures are:

Time, Date Location
8 p.m. to 5 a.m. nightly
Monday, April 9 – Friday, April 13
Northbound I-15 from Santa Ana River to Bellegrave Avenue
8 p.m. Monday, April 9 to
5 a.m. Tuesday, April 10
Southbound I-15 from SR-60 to Bellegrave Avenue
9 p.m. to 5 a.m. nightly
Tuesday, April 10 – Friday, April 13
Southbound I-15 from Cantu-Galleano Ranch Road to the Santa Ana River

Pictured below: Crews perform saw-cutting and grinding on the southbound I-15 median shoulder. In order to perform construction for the 15 Express Lanes, crews need to shift traffic onto the shoulders. Saw-cutting, grinding and paving all help reinforce the shoulders to withstand the weight of vehicles. 


Crews are working extended hours to accelerate construction on the southbound I-15 soundwall between El Cerrito Road and Cajalco Road. Crews are scheduled to work 3 a.m. to 8 p.m. daily, Monday, April 9, through Saturday, April 14.

Throughout the corridor, work will continue on clearing storm drains along the freeway shoulders and in the median. This work is expected to be completed by Friday, April 13.


Construction Corner

A weekly series to explain common construction terms. 

Soundwall: Soundwalls are barriers constructed of a solid material designed to prevent or reduce the transfer of noise. There are six soundwalls planned for the 15 Express Lanes project, south of State Route 91. For more information about soundwalls, visit the soundwalls page.


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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