July 24, 2026 5:39 PM

Roadwork Alert this Week in the Cajon Pass and Highway 138 Expect Delays

CAJON PASS, CA. (Pain In The Pass) >> The California Department of Transportation (Caltrans) is alerting the public that construction contractors will perform night work on Interstate 15 in Fontana up in the Cajon Pass and on Highway 138 Hesperia side. Weather permitting.

Nighttime work will occur Monday, October 2, Friday October 6, and Saturday October 7 from 7 pm to 5am Saturday work will end Sunday morning. Work performed will include Northbound and Southbound Unsound Checking at various locations, including truck bypass locations. On Interstate 15. Closures will vary from 1 lane to 4 lanes during the night. Please note, various lane and connector closures will occur in the project zone. Work performed will include deck rehabilitation, polyester concrete overlay, methacrylate, replace bridge rail, replace joint seals, approach slabs, repair soffit. All work is dependent on contractor receiving proper materials for each job function. It can be changed or canceled at any time.

The following are planned work and closure locations:

  • Highway 138 Intersection with I-15– Cajon Pass West Fork Mojave River in Hesperia Eastbound and Westbound Bridge Work with Alternating Lane Reductions & Lane Closures.

Times can subject to change and could go longer or start earlier. On and off ramps may be subject to closure. Please use caution and remember to reduce your speed when approaching and driving through the construction zones.

Roadwork will not be in the same spot each night.

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Cajon Pass
5:39 pm, Jul 24, 2026
temperature icon 93°F
clear sky
Humidity: 22 %
Pressure: 1009 mb
Wind: 15 mph
Wind Gust: 23 mph
Clouds: 3%
Visibility: 10 km
Sunrise: 5:54 am
Sunset: 7:57 pm
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