April 2, 2026 3:30 AM

Traffic Nightmare all Day in the Cajon Pass due to Emergency Guardrail Repair from Sunday Semi Crash

CAJON PASS, CA. (Pain In The Pass) >> Traffic all day was a nightmare for Monday commuters due to emergency guardrail repair and the recovery of the semi that went over the side of Interstate 15 Sunday afternoon. (Photo above is credit by Jay Kat.)

Agony Pain In The Pass Facebook Group members reported to call off work, missed appointments times, and others do to the traffic congestion.

Adding to the nightmare people were using their traffic maps to find a faster route around the crash scene. Also both sides of Highway 138 were highly congested all day.

Caltrans and California Highway Patrol officials said the only closure was the entrance to the southbound scales. The closure follows the traffic crash of the semi that lost his brakes then crashed into hundreds of feet of guardrail and went over the side of the freeway.

So looky-loos were slowing to a stop to see the damage wreckage of the semi and trailer, making it an hour to two plus hour commute.

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Cajon Pass
3:30 am, Apr 2, 2026
temperature icon 48°F
broken clouds
Humidity: 87 %
Pressure: 1014 mb
Wind: 14 mph
Wind Gust: 9 mph
Clouds: 66%
Visibility: 10 km
Sunrise: 6:35 am
Sunset: 7:10 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 am
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47°/47°°F 0.17 mm 17% 10 mph 86% 1014 mb 0 mm/h
8:00 am
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46°/47°°F 0 mm 0% 7 mph 83% 1014 mb 0 mm/h
11:00 am
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54°/54°°F 0 mm 0% 6 mph 59% 1013 mb 0 mm/h
2:00 pm
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59°/59°°F 0 mm 0% 11 mph 42% 1011 mb 0 mm/h
5:00 pm
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57°/57°°F 0 mm 0% 11 mph 38% 1009 mb 0 mm/h
8:00 pm
temperature icon
54°/54°°F 0 mm 0% 4 mph 65% 1012 mb 0 mm/h
11:00 pm
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50°/50°°F 0 mm 0% 2 mph 73% 1014 mb 0 mm/h
2:00 am
temperature icon
47°/47°°F 0 mm 0% 9 mph 54% 1016 mb 0 mm/h