September 7, 2026 8:57 AM

Semi Overturned Northbound I-15 In The Cajon Pass Tuesday Night

CAJON PASS, CA. (Pain In The Pass) >> An overturned semi on the northbound Interstate 15 issues a SIG ALERT Tuesday night.

California Highway Patrol and San Bernardino Fire Department received calls of crash with a semi overturned at about 9:31pm Tuesday June 1, 2021. It occurred about two miles after Highway 138 exit.

The semi involved was reported to be a white semi hauling vehicle on a trailer. Debris from the semi was blocking all lanes at one point.

The semi driver was able to exit the cab with no injuries.

CHP issued a Sig Alert for the #4 and the #5 lanes for about an hour or so.

Witness Sandra Ventura-Alamilla said she was driving next to the big rig when the tire or something exploded. Sandra said the semi overturned toward her vehicle and a piece of large metal object flew and hit her bumper causing some damage.

This incident will be under investigation by the California Highway Patrol San Bernardino Office. CHP says additional information will be updated as it becomes available.

There are more ways to follow the Pain In The Pass. Join the Traffic Group on Facebook with over 97,000 members. Join the NEW group on MeWe. Like us on Facebook, Follow us on Twitter and Instagram.

loader-image
Cajon Pass
8:57 am, Sep 7, 2026
temperature icon 67°F
overcast clouds
Humidity: 87 %
Pressure: 1015 mb
Wind: 1 mph
Wind Gust: 3 mph
Clouds: 98%
Visibility: 10 km
Sunrise: 6:27 am
Sunset: 7:08 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
11:00 am
temperature icon
68°/70°°F 0 mm 0% 3 mph 77% 1014 mb 0 mm/h
2:00 pm
temperature icon
76°/80°°F 0 mm 0% 7 mph 55% 1013 mb 0 mm/h
5:00 pm
temperature icon
82°/82°°F 0.22 mm 22% 6 mph 39% 1012 mb 0 mm/h
8:00 pm
temperature icon
73°/73°°F 0.26 mm 26% 7 mph 53% 1013 mb 0 mm/h
11:00 pm
temperature icon
70°/70°°F 0 mm 0% 5 mph 58% 1014 mb 0 mm/h
2:00 am
temperature icon
68°/68°°F 0 mm 0% 1 mph 59% 1014 mb 0 mm/h
5:00 am
temperature icon
68°/68°°F 0 mm 0% 1 mph 58% 1014 mb 0 mm/h
8:00 am
temperature icon
72°/72°°F 0 mm 0% 1 mph 47% 1015 mb 0 mm/h