Santa Clarita commuters should expect a delay on I-5 very early Monday morning due to lane closures.

Caltrans announced all northbound lanes of the I-5 will close Monday, Aug. 7 from 1-4 a.m. in Santa Clarita

Closures will be all northbound lanes between highway 14 and Lyons Avenue. Detours will be posted, but drivers should expect delays.

The overnight closure is part of a $171 million project to replace damaged concrete road on nearly 16 miles of the I-5. The I-5 Roadway Rehabilitation Project will be completed over the next two years.

This is the second lane closure for the Roadway Rehabilitation Project that began July 10-12, 2017. The construction and repairs will take place over the next two years, scheduled to be completed in the summer of 2019.

The project will replace all the pavement of the outside lanes (No. 3 and No. 4 lanes) and replace broken concrete slabs of the inside lanes (No. 1 and No. 2 lanes) for a safer ride.

Beginning Sunday at 9 p.m., up to two northbound lanes will be closed. The full closure will start at Monday, August 7, from 1-4 a.m. One or two lanes may remain closed between 4am and 6am, with subject to change for weather-permitting.

From previous story:  Paving Project To Cause Lane Closures, Lower Speed Limits On I-5

Detours are as follows:

NORTHBOUND I-5 DETOUR:

Detour onto northbound State Route 14 and exit at Newhall Avenue.

Go west on Newhall Avenue and north on Railroad Avenue.

Turn west on Lyons Avenue and go to the on-ramp to northbound I-5.

DETOUR FROM SOUTHBOUND SR-14 TO NORTHBOUND I-5:

Use southbound I-5 truck route and exit at The Old Road off-ramp.

Go north on The Old Road.

Go east on Pico Canyon Road/Lyons Avenue to the northbound I-5 on-ramp.

DETOUR FROM SIERRA HIGHWAY TO NORTHBOUND I-5:

Go west on Sierra Highway, then go north on The Old Road.

Go east on Pico Canyon Road/Lyons Avenue to the northbound I-5 on-ramp.

Drivers are advised to plan on delays and drive with care in the work zone. Traffic fines are doubled in work zones, and the California Highway Patrol will be on duty.

For safety reasons in the construction area, a temporary speed limit will be posted, typically 50 or 55 mph depending on location. Caltrans advises drivers to be alert and drive defensively, especially in work zones. Traffic fines are doubled in construction areas, and the California Highway Patrol will be on duty.

More information about the I-5 North County/Santa Clarita Valley pavement rehabilitation project will be available from Caltrans online.

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