August 27, 2026 2:01 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
2:01 am, Aug 27, 2026
temperature icon 77°F
overcast clouds
Humidity: 33 %
Pressure: 1012 mb
Wind: 4 mph
Wind Gust: 0 mph
Clouds: 100%
Visibility: 10 km
Sunrise: 6:19 am
Sunset: 7:23 pm
  • Temperature
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2:00 am
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71°/77°°F 0 mm 0% 0 mph 33% 1012 mb 0 mm/h
5:00 am
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70°/75°°F 0 mm 0% 1 mph 32% 1012 mb 0 mm/h
8:00 am
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77°/77°°F 0 mm 0% 1 mph 23% 1013 mb 0 mm/h
11:00 am
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88°/88°°F 0 mm 0% 4 mph 16% 1013 mb 0 mm/h
2:00 pm
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93°/93°°F 0 mm 0% 13 mph 16% 1011 mb 0 mm/h
5:00 pm
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89°/89°°F 0 mm 0% 7 mph 21% 1010 mb 0 mm/h
8:00 pm
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79°/79°°F 0 mm 0% 4 mph 35% 1012 mb 0 mm/h
11:00 pm
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73°/73°°F 0 mm 0% 2 mph 35% 1013 mb 0 mm/h