June 8, 2026 4:56 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
4:56 pm, Jun 8, 2026
temperature icon 75°F
scattered clouds
Humidity: 22 %
Pressure: 1008 mb
Wind: 15 mph
Wind Gust: 25 mph
Clouds: 35%
Visibility: 10 km
Sunrise: 5:37 am
Sunset: 8:00 pm
  • Temperature
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5:00 pm
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68°/75°°F 0 mm 0% 16 mph 22% 1008 mb 0 mm/h
8:00 pm
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62°/71°°F 0 mm 0% 8 mph 29% 1009 mb 0 mm/h
11:00 pm
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59°/64°°F 0 mm 0% 6 mph 42% 1011 mb 0 mm/h
2:00 am
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57°/57°°F 0 mm 0% 3 mph 46% 1011 mb 0 mm/h
5:00 am
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58°/58°°F 0 mm 0% 3 mph 41% 1011 mb 0 mm/h
8:00 am
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66°/66°°F 0 mm 0% 1 mph 28% 1011 mb 0 mm/h
11:00 am
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74°/74°°F 0 mm 0% 2 mph 29% 1010 mb 0 mm/h
2:00 pm
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78°/78°°F 0 mm 0% 4 mph 26% 1009 mb 0 mm/h