Metro and Caltrans will intermittently close one direction of the Golden State Freeway (I-5) from the Antelope Valley Freeway (State Route-14) to Calgrove Boulevard at selected nighttime hours beginning Monday, May 22 through Thursday, June 1 to remove temporary steel and wood framing structures from the Weldon Canyon Bridge. Motorists should expect delays and consider taking alternate routes during these closure periods.Northbound I-5 directional closuresNightly closures will occur from 10 p.m. to 4 a.m., Monday, May 22 to Wednesday, May 24 and resume Tuesday, May 30 and Thursday, June 1. Only one direction of the freeway will be closed at a time. Detour signs will be posted when freeway lane closures are in place. The schedule for directional freeway closures are as follows:
- Monday, May 22 from 10 p.m. to 4 a.m.
- Tuesday, May 23 from 10 p.m. to 4 a.m.
- Wednesday, May 24 from 10 p.m. to 4 a.m.
Northbound or Southbound I-5 directional closure
- If needed, construction crews will close one direction of the highway Thursday, May 25 from 10 p.m. to 4 a.m.
Southbound I-5 directional closures
- Tuesday, May 30 from 10 p.m. to 4 a.m.
- Wednesday, May 31 from 10 p.m. to 4 a.m.
- Thursday, June 1 from 10 p.m. to 4 a.m.
Motorist detours for through traffic are as follows:
- Northbound I-5 freeway closures: Exit I-5 to northbound SR-14, continue to westbound Golden Valley Road/Newhall Ranch Road and proceed to the Newhall Ranch Road I-5 on-ramp.
- Southbound I-5 freeway closures: Exit I-5 to eastbound Newhall Ranch Road/Golden Valley Road, continue to southbound SR-14 off Golden Valley Road and proceed to the I-5/SR-14 Interchange.
The $679 million I-5 North County Enhancements Project will enhance safety, reduce congestion, improve the flow of truck freight and motorist traffic and accommodate expected population growth in the Santa Clarita Valley. When the project is completed, it will improve merging and offer trucks a separate lane from general-purpose lanes, which will enhance traffic safety and provide motorists with a faster and smoother driving experience.metro.net/i-5-enhancements. The project team can be reached at firstname.lastname@example.org or by calling 213.922.2772.Project improvements include the addition of a High Occupancy Vehicle (HOV) or carpool lane in each direction, an extension of the truck lanes, new sound walls and auxiliary lanes and other improvements in the 14-mile corridor between SR-14 in Santa Clarita and Parker Road in Castaic. Metro expects the project to be completed in 2026. The project is funded through a combination of L.A. County voter-approved Measures R and M funding specifically set aside for road and highways projects, along with Senate Bill 1 and federal dollars. Senate Bill 1 uses state gas taxes and vehicle fees to fund roadways, improve transit and build walking and biking projects. Construction is a dynamic process, and it is subject to weather conditions. Closure dates and information are subject to change. For more information about the I-5 North County Enhancements Project, please visit
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