February 20, 2026 12:43 PM

Full Nighttime Closure of Southbound 15 Ramp to Eastbound 10 Freeway Thursday and Friday Nights

ONTARIO, CA. (Pain In The Pass) >> A full overnight closure of Interstate 15 connector I-10 freeway and ramps will take place this Thursday night and Friday night as Caltrans doing bridge repair.

Caltrans will be closing lanes on Southbound I-15 to eastbound i-10 connecter ramp Nightly starting Thursday July 31 through Friday August 1 from 9pm until 6am* for maintenance work. The lane closures will begin from the Fourth Street offramp to the 10 Freeway. That means Fourth St. onramp will be closed. Two to three southbound I-15 lanes will remain OPEN at all times.

One eastbound 10 freeway lane to Etiwanda Ave offramp will be closed.

Watch for signs and please slow down near the work zone!

*Times can subject to change and could go longer or start earlier. Schedules are subject to change due to inclement weather or construction issues.

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Cajon Pass
12:43 pm, Feb 20, 2026
temperature icon 41°F
broken clouds
Humidity: 50 %
Pressure: 1016 mb
Wind: 5 mph
Wind Gust: 3 mph
Clouds: 69%
Visibility: 10 km
Sunrise: 6:29 am
Sunset: 5:37 pm
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41°/43°°F 0 mm 0% 6 mph 50% 1016 mb 0 mm/h
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42°/45°°F 0 mm 0% 4 mph 52% 1016 mb 0 mm/h
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35°/37°°F 0 mm 0% 6 mph 58% 1018 mb 0 mm/h
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35°/35°°F 0 mm 0% 3 mph 62% 1021 mb 0 mm/h
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33°/33°°F 0 mm 0% 3 mph 64% 1022 mb 0 mm/h
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34°/34°°F 0 mm 0% 5 mph 64% 1023 mb 0 mm/h
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33°/33°°F 0 mm 0% 5 mph 63% 1024 mb 0 mm/h
10:00 am
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43°/43°°F 0 mm 0% 6 mph 43% 1024 mb 0 mm/h