April 6, 2026 12:00 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
12:00 pm, Apr 6, 2026
temperature icon 62°F
overcast clouds
Humidity: 19 %
Pressure: 1015 mb
Wind: 6 mph
Wind Gust: 6 mph
Clouds: 100%
Visibility: 10 km
Sunrise: 6:29 am
Sunset: 7:13 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 pm
temperature icon
64°/70°°F 0 mm 0% 3 mph 20% 1015 mb 0 mm/h
5:00 pm
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68°/71°°F 0 mm 0% 8 mph 22% 1013 mb 0 mm/h
8:00 pm
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56°/56°°F 0 mm 0% 6 mph 45% 1014 mb 0 mm/h
11:00 pm
temperature icon
57°/57°°F 0 mm 0% 6 mph 53% 1015 mb 0 mm/h
2:00 am
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54°/54°°F 0 mm 0% 5 mph 55% 1015 mb 0 mm/h
5:00 am
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43°/43°°F 0 mm 0% 3 mph 55% 1014 mb 0 mm/h
8:00 am
temperature icon
60°/60°°F 0 mm 0% 3 mph 37% 1015 mb 0 mm/h
11:00 am
temperature icon
71°/71°°F 0 mm 0% 3 mph 25% 1014 mb 0 mm/h