Caltrans Will Close Northbound Interstate 805 Friday
The northbound freeway will shut down at Palm Avenue in San Diego for construction starting this Friday night.
Updated on Oct. 9, 2026 in Construction
Live Poll
Will upcoming area road construction projects finish on schedule and reduce traffic delays?
Caltrans has scheduled a closure of northbound Interstate 805 at Palm Avenue beginning Friday, October 9, at 9 p.m. The overnight work is expected to conclude by 9 a.m. on Saturday, October 10.
Why it matters
This closure is necessary to facilitate ongoing infrastructure upgrades aimed at improving traffic flow in the region. The work is part of a larger $31 million project focused on widening the Palm Avenue overcrossing.
The $31 million interchange improvement project is currently underway with an expected completion date in Fall 2028. Work on the site began in June 2026.
The players
Caltrans
The California Department of Transportation is responsible for the planning, design, and maintenance of the state's highway system.
The details
During the closure, motorists must detour to Interstate 5, with traffic able to connect via State Route 54. While the northbound lanes will be inaccessible at Palm Avenue, the northbound on-ramp at the same location will remain open.
Timeline
June 2026: Construction on the project began.
October 9, 2026, 9 p.m.: Northbound I-805 closure begins at Palm Avenue.
October 10, 2026, 9 a.m.: The freeway closure is scheduled to end.
Fall 2028: The construction project is expected to reach completion.
Market Landscape
The construction at Palm Avenue follows priorities set by the California Department of Transportation's State Highway Operation and Protection Program. This project reflects an ongoing trend of regional infrastructure investment to manage increasing traffic density.
Drivers traveling through the area should expect delays and plan to use Interstate 5 or State Route 54 as an alternative route. Construction schedules remain subject to potential changes based on weather conditions.
The takeaway
Commuters should prepare for potential congestion by checking real-time traffic alerts before heading out on Friday night. Planning alternative routes early is the most effective way to minimize time lost to construction delays.
Further reading
For more information on infrastructure updates in the area, visit San Diego Construction.
More information
To monitor real-time traffic updates or road closures, visit the Caltrans official Quickmap page.
Live Poll
Will upcoming area road construction projects finish on schedule and reduce traffic delays?
