November 5–12, 2025

In addition to the projects listed below that may impact your commute, you can find information on work being done to enhance our City on the Capital Improvement Projects Map and the Road Construction Map.

Irvine Business Complex Sidewalk Improvements

The City will begin making improvements to sidewalks within the Irvine Business Complex Monday, November 17. Sidewalk construction and repair work will occur Monday through Friday from 9 a.m. to 3 p.m. 

Sidewalk and adjacent curblines will be impacted where work is underway, however, traffic flow will not be impacted.

Work is expected to be completed in February. For more information, email pm@cityofirvine.org or call the project hotline at 949-724-6676.

State Route 55 Dyer Road Loop On-Ramp 30-Day Closure

Orange County Transportation Authority crews are reconstructing the northbound State Route 55 Dyer Road loop on-ramp, which requires an extended closure of the on-ramp through Sunday, November 23, at 5 a.m.

This work is part of the Orange County Transportation Authority's State Route 55 Improvement Project. Please visit octa.net/55Construction for more information. 

State Route 73 Closures

The northbound State Route (SR) 73 Bison Avenue on-ramp will be closed nightly from 9 p.m. to 5 a.m. through Thursday, November 6. It will also close Friday, November 7, at 9 p.m., opening Saturday, November 8, at 7 a.m.

View detours as well as other work impacting The Toll Roads.

State Route 133 Closures

The southbound State Route (SR) 133 connector to northbound I-5 will be closed nightly from 9 p.m. to 5 a.m. through Friday, November 7.

View detours as well as other work impacting The Toll Roads.

Learn about additional projects throughout our City, including project descriptions and work hours, as well as any lane closures and night and weekend work, which may occur intermittently on major arterials when permitted.