March 10, 2026 5:16 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
5:16 am, Mar 10, 2026
temperature icon 47°F
few clouds
Humidity: 80 %
Pressure: 1014 mb
Wind: 16 mph
Wind Gust: 10 mph
Clouds: 14%
Visibility: 10 km
Sunrise: 7:06 am
Sunset: 6:52 pm
  • Temperature
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8:00 am
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38°/44°°F 0 mm 0% 8 mph 81% 1015 mb 0 mm/h
11:00 am
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54°/58°°F 0 mm 0% 5 mph 62% 1016 mb 0 mm/h
2:00 pm
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64°/64°°F 0 mm 0% 7 mph 43% 1016 mb 0 mm/h
5:00 pm
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60°/60°°F 0 mm 0% 8 mph 44% 1016 mb 0 mm/h
8:00 pm
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53°/53°°F 0 mm 0% 5 mph 71% 1019 mb 0 mm/h
11:00 pm
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52°/52°°F 0 mm 0% 3 mph 69% 1021 mb 0 mm/h
2:00 am
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51°/51°°F 0 mm 0% 3 mph 58% 1021 mb 0 mm/h
5:00 am
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50°/50°°F 0 mm 0% 6 mph 53% 1022 mb 0 mm/h