July 25, 2026 2:04 PM

Nighttime Paving Work On Highway 138 At I-15 Monday & Tuesday Nights

CAJON PASS, CA. (Pain In The Pass) >> The California Department of Transportation (Caltrans) Cajon
Maintenance crew will conduct traffic control for asphalt grind and paving project on State Route Highway 138 (Phelan side) west of I-15 in Cajon Junction.

Roadwork will take place Monday night September 27th and Tuesday night September 28th from 8:30pm and conclude at 5am* each night. These operations will require the closure of the westbound Hwy 138 plus the southbound Interstate 15 on ramp. Also the closure will impact eastbound Hwy 138 #1, #2 lanes and right shoulder. Expect Delays (see map below)

*Lanes may open earlier or later if they have a problem. The work schedule will be subject to change due to weather or construction-related issues. Always reduce your speed through the work zone.

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Cajon Pass
2:04 pm, Jul 25, 2026
temperature icon 94°F
scattered clouds
Humidity: 20 %
Pressure: 1012 mb
Wind: 18 mph
Wind Gust: 13 mph
Clouds: 30%
Visibility: 10 km
Sunrise: 5:55 am
Sunset: 7:56 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 pm
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86°/94°°F 0 mm 0% 17 mph 20% 1012 mb 0 mm/h
5:00 pm
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85°/91°°F 0 mm 0% 19 mph 21% 1011 mb 0 mm/h
8:00 pm
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77°/83°°F 0 mm 0% 9 mph 31% 1012 mb 0 mm/h
11:00 pm
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71°/71°°F 0 mm 0% 5 mph 49% 1014 mb 0 mm/h
2:00 am
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69°/69°°F 0 mm 0% 3 mph 46% 1013 mb 0 mm/h
5:00 am
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66°/66°°F 0 mm 0% 1 mph 43% 1013 mb 0 mm/h
8:00 am
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75°/75°°F 0 mm 0% 3 mph 32% 1014 mb 0 mm/h
11:00 am
temperature icon
85°/85°°F 0 mm 0% 7 mph 17% 1013 mb 0 mm/h