May 18, 2026 12:26 PM

Roadwork this Week on Interstate 15 between the 210 Freeway and Hwy 138

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. Weather permitting.

Nighttime work will occur Monday, September 18 through Saturday morning September 23, from 7pm to 5am* Work performed will include Northbound and Southbound Unsound Checking at various locations, including truck bypass locations. On Interstate 15 the Closures will vary from 1 lane to 3 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:

The following are planned work and closure locations:

  • Northbound & Southbound Interstate 15 from the 210 Freeway to Summit Ave. 2 to 3 Lane Closures
  • Northbound & Southbound Interstate15 from Cleghorn Rd to Kenwood Ave. 2 to 3 Lane Closures
  • Interstate 215 North-Bound-Truck Bypass
    Full Closure.
  • Interstate-15 South-Bound. to SR 138 Eastbound & Westbound Onramps & Offramps Subject to closure.
  • Interstate-15 Northbound to Hwy 138 Northbound onramp and offramp.

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 day.

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Cajon Pass
12:26 pm, May 18, 2026
temperature icon 63°F
clear sky
Humidity: 16 %
Pressure: 1011 mb
Wind: 9 mph
Wind Gust: 19 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 5:45 am
Sunset: 7:46 pm
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63°/63°°F 0 mm 0% 16 mph 16% 1012 mb 0 mm/h
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63°/63°°F 0 mm 0% 13 mph 13% 1011 mb 0 mm/h
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57°/57°°F 0 mm 0% 7 mph 13% 1012 mb 0 mm/h
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53°/53°°F 0 mm 0% 1 mph 22% 1014 mb 0 mm/h
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52°/52°°F 0 mm 0% 4 mph 14% 1014 mb 0 mm/h
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51°/51°°F 0 mm 0% 6 mph 12% 1014 mb 0 mm/h
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62°/62°°F 0 mm 0% 6 mph 9% 1016 mb 0 mm/h
11:00 am
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70°/70°°F 0 mm 0% 12 mph 10% 1016 mb 0 mm/h