September 20, 2026 5:50 AM

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
5:50 am, Sep 20, 2026
temperature icon 62°F
overcast clouds
Humidity: 25 %
Pressure: 1014 mb
Wind: 2 mph
Wind Gust: 3 mph
Clouds: 98%
Visibility: 10 km
Sunrise: 6:36 am
Sunset: 6:49 pm
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60°/62°°F 0 mm 0% 2 mph 30% 1014 mb 0 mm/h
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71°/75°°F 0 mm 0% 7 mph 18% 1013 mb 0 mm/h
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80°/80°°F 0 mm 0% 16 mph 14% 1012 mb 0 mm/h
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75°/75°°F 0 mm 0% 16 mph 18% 1011 mb 0 mm/h
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65°/65°°F 0 mm 0% 11 mph 46% 1012 mb 0 mm/h
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60°/60°°F 0 mm 0% 5 mph 46% 1013 mb 0 mm/h
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56°/56°°F 0 mm 0% 9 mph 50% 1012 mb 0 mm/h
5:00 am
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53°/53°°F 0 mm 0% 9 mph 55% 1012 mb 0 mm/h