March 9, 2026 2:50 PM

This Weeks I-15 Roadwork and Ranchero Rd On-Ramp Closure

HESPERIA, CA. (Pain In The Pass) >> The California Department of Transportation (Caltrans) will continue work on a $122 million project to rehabilitate and repave traffic lanes and ramps and upgrade the drainage systems in the center divider on Interstate 15 in San Bernardino County. This project will not add a extra lane to the freeway or for a train.

The new lane configuration has started so watch the road traffic patterns.

This new traffic patterns will go on for months from Oak Hill Road to Bear Valley Road in both directions. The new traffic patterns is for crews to remove and replace concrete.  Expect Major Delays at night and around 4am in the morning daily.

Heads Up a Full Closure of southbound Ranchero Road on ramp will be closed on Tuesday July 18 at 6am* to Friday July 28 at 6am* (subject to change) 

  • Highway 395 connector closures could be closed in both directions at night at times.

Monday night –  Saturday morning 7/17-7/22 (Weekend schedule subject to change)

Northbound I-15 from Oak Hill Rd to Main Street – 9pm. to 7am* Saturday until 8am*

  • Alternating lane closures, possibly bringing lanes down to one.
  • All on and off ramps are subject to intermittent closures for crew safety and related roadwork.
  • Traffic maybe backup after Highway 138 for about 2 miles.

Southbound I-15 from Main Street to Oak Hill Rd – 7pm. – 4am* Saturday until 8am*

  • Alternating lane closures, possibly bringing lanes down to one.
  • All on and off ramps are subject to intermittent closures for crew safety and related roadwork.

New lane reconfiguration northbound lanes 1, 2 and 3, will shift inward toward the newly paved center median, splitting from the #4 lane, with k-rail on both sides.

New lane reconfiguration southbound lanes 1, 2, 3, and 4 will shift inward toward the newly paved center median.

*Times can subject to change and could go longer or start earlier. On and off ramps may be subject to closure. Please use caution and remember to reduce your speed when approaching and driving through the construction zones. Schedules are subject to change due to inclement weather or construction issues.

The project is expected to be complete in early 2025.

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Cajon Pass
2:50 pm, Mar 9, 2026
temperature icon 67°F
clear sky
Humidity: 22 %
Pressure: 1009 mb
Wind: 10 mph
Wind Gust: 9 mph
Clouds: 0%
Visibility: 10 km
Sunrise: 7:08 am
Sunset: 6:52 pm
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