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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, Traffic Signal, Landscape and Electrical Work

Northbound and southbound Sand Canyon Ave. between
I-5 and Oak Canyon Rd./ Laguna Canyon Rd.

Friday, May 1 through Friday, May 29, 2015
Intermittent lane reductions may be required to allow for utility, traffic signal, landscaping and electrical work 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.

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. The Walnut Bike Trail is scheduled to reopen by end of mid-May 2015.

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.

Toll Free Project Helpline:

Visit and Register to Receive Updates: cityofirvine.org/sandcanyon

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