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Construction Alerts

The City of Irvine will release periodic alerts with information about the Sand Canyon Undercrossing construction activity that may affect businesses and travelers.  Please note that every effort will be made to reduce the impact of construction on the surrounding area. To register to receive Construction Alerts sent to you via email or text message, please click here .

Here are the current and recent Construction Alerts for the Sand Canyon Undercrossing Project:

Construction Activity

Closure Location

Date, Time and Details

Utility installations

Northbound and southbound Sand Canyon at Burt Road

Tuesday, April 1 through Wednesday, April 30, 2014
Continued utility installation work will require intermittent lane closures on weekdays between 9 am and 3 pm. No detour will be required since at least one travel lane will remain open in each direction during these closures. Two travel lanes will remain open in each direction prior to 9 am and after 3 pm.

Roadway excavation for retaining wall & pump station construction

Sand Canyon between Burt Road and Oak Canyon Road / Laguna Canyon Road

Tuesday, April 1 through Wednesday, April 30, 2014
Excavation and construction work will occur weekdays between 7 am and 3:30 pm. Construction crews will intermittently stop motorists on weekdays between 9 am and 3 pm to allow construction trucks to enter and exit the site.

Paving on Sand Canyon

Southbound Sand Canyon off-ramp and Oak Canyon

Mid-April, 2014
Paving of new southbound lanes between Interstate 5 southbound Sand Canyon off-ramp and Oak Canyon will occur weekdays between 7 am and 3:30 pm for approximately two weeks starting in mid-April. Please note that during this time, construction trucks will be traveling in and out of the area.

30 Day Detour (revised)

Westbound and Eastbound Sand Canyon Avenue

Beginning May 27, 2014 – Date subject to change
A 30-day bypass detour is planned at the intersection of Sand Canyon Avenue and Burt Road beginning May 27. During the detour, westbound motorists will be shifted to the new alignment of Sand Canyon, while eastbound motorists will remain in existing lanes. While the detour is under way, Burt Road and Old Town Irvine will only be accessible by making a right turn from eastbound Sand Canyon. Traffic exiting Old Town Irvine via Burt Road must make a right turn onto eastbound Sand Canyon. U-turns are allowed at Oak Canyon Road and Nightmist to assist motorists in navigating the detour. Message boards will be onsite 10 days prior to the confirmed start date reminding motorists of the left-turn restrictions. Please refer to the detour map .

The speed limit on Sand Canyon has been reduced to 35 mph between Laguna Canyon Road and Marine Way for the duration of the project for the safety of the contractor’s personnel and the motoring public.

The Walnut Bike Trail will be closed for the duration of the project.  Detour signs are located at each end of the bike trail to direct pedestrians and bicyclists to use alternate routes.

Note: Information contained in this Construction Alert is subject to change, based on weather, field conditions or other factors. We regret any inconvenience these changes may create.

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