October 16, 2026 7:29 PM

New Longer Deceleration Off Ramp On Southbound Interstate 15 To Hwy 138 Is About To Start

CAJON PASS, CA. (Pain In The Pass) >> The California Department of Transportation (Caltrans) will soon begin work on a $ 4.2 million project to extend the deceleration lane (offramp) on the southbound Interstate 15 Highway 138 at the Cajon Junction in the middle of the Cajon Pass.

The project was awarded to Security Paving Inc., of Ontario. Crews will be working from 0.1 miles north of the I-15/Hwy 138 separation on the southbound I-15.

Expect one lane and ramp closures approaching and within the construction zone with possible detours to be determined.

The project is expected to be completed in the Summer of 2022. Remember to reduce your speed in and surrounding the work zone. Be advised, the weather may affect this operation.

There are more ways to follow the Pain In The Pass. Join the Traffic Group on Facebook with over 108,000 members. Join the NEW group on MeWe. Like us on Facebook, Follow us on Twitter and Instagram.

loader-image
Cajon Pass
7:29 pm, Oct 16, 2026
temperature icon 69°F
clear sky
Humidity: 28 %
Pressure: 1018 mb
Wind: 4 mph
Wind Gust: 8 mph
Clouds: 1%
Visibility: 10 km
Sunrise: 6:55 am
Sunset: 6:14 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
8:00 pm
temperature icon
69°/72°°F 0 mm 0% 8 mph 28% 1019 mb 0 mm/h
11:00 pm
temperature icon
69°/70°°F 0 mm 0% 6 mph 31% 1020 mb 0 mm/h
2:00 am
temperature icon
65°/66°°F 0 mm 0% 8 mph 34% 1020 mb 0 mm/h
5:00 am
temperature icon
64°/64°°F 0 mm 0% 6 mph 36% 1021 mb 0 mm/h
8:00 am
temperature icon
65°/65°°F 0 mm 0% 6 mph 33% 1022 mb 0 mm/h
11:00 am
temperature icon
74°/74°°F 0 mm 0% 19 mph 22% 1020 mb 0 mm/h
2:00 pm
temperature icon
77°/77°°F 0 mm 0% 19 mph 21% 1019 mb 0 mm/h
5:00 pm
temperature icon
74°/74°°F 0.15 mm 15% 10 mph 23% 1019 mb 0 mm/h