February 20, 2026 4:34 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
4:34 pm, Feb 20, 2026
temperature icon 44°F
overcast clouds
Humidity: 40 %
Pressure: 1017 mb
Wind: 4 mph
Wind Gust: 5 mph
Clouds: 100%
Visibility: 10 km
Sunrise: 6:29 am
Sunset: 5:37 pm
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7:00 pm
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36°/41°°F 0 mm 0% 4 mph 50% 1016 mb 0 mm/h
10:00 pm
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35°/38°°F 0 mm 0% 4 mph 54% 1019 mb 0 mm/h
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33°/33°°F 0 mm 0% 3 mph 63% 1022 mb 0 mm/h
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32°/32°°F 0 mm 0% 5 mph 62% 1023 mb 0 mm/h
7:00 am
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33°/33°°F 0 mm 0% 5 mph 60% 1024 mb 0 mm/h
10:00 am
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47°/47°°F 0 mm 0% 5 mph 44% 1024 mb 0 mm/h
1:00 pm
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50°/50°°F 0 mm 0% 2 mph 36% 1022 mb 0 mm/h
4:00 pm
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53°/53°°F 0 mm 0% 7 mph 38% 1021 mb 0 mm/h