September 4, 2026 9:38 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.

There are more ways to follow the Pain In The Pass. Join the Traffic Group on Facebook with over 100,000 members. Join the NEW group on MeWe. Like us on Facebook, Follow us on Twitter and Instagram.

loader-image
Cajon Pass
9:38 pm, Sep 4, 2026
temperature icon 62°F
clear sky
Humidity: 53 %
Pressure: 1013 mb
Wind: 8 mph
Wind Gust: 9 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 6:25 am
Sunset: 7:12 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 pm
temperature icon
61°/62°°F 0 mm 0% 7 mph 55% 1014 mb 0 mm/h
2:00 am
temperature icon
59°/61°°F 0 mm 0% 5 mph 57% 1014 mb 0 mm/h
5:00 am
temperature icon
57°/59°°F 0 mm 0% 4 mph 57% 1014 mb 0 mm/h
8:00 am
temperature icon
65°/65°°F 0 mm 0% 5 mph 36% 1015 mb 0 mm/h
11:00 am
temperature icon
76°/76°°F 0 mm 0% 12 mph 14% 1014 mb 0 mm/h
2:00 pm
temperature icon
80°/80°°F 0 mm 0% 19 mph 14% 1012 mb 0 mm/h
5:00 pm
temperature icon
77°/77°°F 0 mm 0% 17 mph 23% 1012 mb 0 mm/h
8:00 pm
temperature icon
70°/70°°F 0 mm 0% 10 mph 34% 1014 mb 0 mm/h