August 19, 2026 7:31 AM

Closure of the Highway 138 to Southbound I-15 On Ramp on Thursday.

CAJON PASS, CA. (Pain In The Pass) >> The California Department of Transportation (Caltrans) alerting the public of lane closures of Highway 138 on Thursday. If Weather permitting.

On Thursday, March 5th, from 9am to 1pm*, crews will be installing new light poles on Hwy 138.

This operation will require a closure of the Hwy 138 #2 lane and a closure of the Hwy 138 to southbound Interstate 15 on ramp. See map below.

Motorists are advised to plan ahead for your commute by checking the Pain In The Pass group, use alternate routes, and or expect delays on the Highway 138.

*Times can subject to change and could go longer or start earlier. Please use caution and remember to reduce your speed when approaching and driving through the roadwork zones. Schedules are subject to change due to inclement weather or construction issues.

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Cajon Pass
7:31 am, Aug 19, 2026
temperature icon 75°F
scattered clouds
Humidity: 20 %
Pressure: 1014 mb
Wind: 5 mph
Wind Gust: 5 mph
Clouds: 25%
Visibility: 10 km
Sunrise: 6:13 am
Sunset: 7:32 pm
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77°/77°°F 0 mm 0% 8 mph 30% 1012 mb 0 mm/h
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70°/70°°F 0 mm 0% 4 mph 36% 1014 mb 0 mm/h
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67°/67°°F 0 mm 0% 3 mph 34% 1014 mb 0 mm/h
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64°/64°°F 0 mm 0% 1 mph 32% 1014 mb 0 mm/h