Traffic & Transit
Santa Monica Begins Intermittent McClure Tunnel Upgrade Closures
The tunnel was scheduled to close overnight this week for a Caltrans lighting upgrade and the city's first queue warning system.

SANTA MONICA, CA — City officials in Santa Monica issued a reminder to residents that McClure Tunnel would begin closing for intermittent, overnight lighting upgrades on Monday. The closure of the heavily trafficked tunnel will likely impact traffic on the I-10 Freeway.
Drivers can expect the tunnel to close each night for at least the first week of January. Nearby ramps may close as well.
Caltrans has planned the work from the I-10 Freeway at Lincoln Boulevard to the Broadway Pedestrian Overcrossing on Highway 1, PCH. Crews will upgrade the lighting system in the McClure Tunnel to LED lights to improve visibility for drivers.
Find out what's happening in Santa Monicafor free with the latest updates from Patch.
A reminder that @CaltransDist7 begins their McClure Tunnel lighting upgrade tonight with intermittent overnight closures and I-10 impacts. Details at https://t.co/0FTK7kvKa6 and follow @CaltransDist7 for the latest. pic.twitter.com/vXGw2Mm83k
— City of Santa Monica (@santamonicacity) January 5, 2021
In addition, the first queue warning system in Los Angeles County will be installed on the westbound I-10 Freeway to give drivers real-time alerts when traffic backs up in McClure Tunnel. It will warn drivers to slow down as they approach the tunnel.
The project also includes adding a speed feedback sign, a high-friction surface treatment to the pavement inside the tunnel, and an upgrade to overhead signage in the project area.
Find out what's happening in Santa Monicafor free with the latest updates from Patch.
ADVISORY: Caltrans Announces McClure Tunnel Improvement & Safety Enhancement Project in #SantaMonica, which will feature the 1st Queue Warning System in LA County. Closures of nearby ramps & McClure Tunnel will begin in January 2021. Via @smdailypress: https://t.co/DmxpbSMci8 pic.twitter.com/mxa38i9PyK
— Caltrans District 7 (@CaltransDist7) December 21, 2020
Anticipated roadway impacts via the City of Santa Monica:
McClure Tunnel:
Closed in both directions — 11 p.m. to 5 a.m.
I-10 lane closure for both directions:
One lane closed from Lincoln Blvd. to McClure Tunnel — 11 p.m. to 5 a.m.
Ramp Closures — 7 p.m. to 6 a.m.
WB I-10
Lincoln Blvd./Olympic Blvd. On-Ramp
EB I-10
4th St. On-Ramp
Lincoln Blvd. Off-Ramp
SB 1
Ocean Ave. Off-Ramp
For more information and a map, visit the City of Santa Monica's website.
Patch editor Nicole Charky contributed to this report.
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