March 31, 2026 12:19 PM

55-Hour Lane Closures Northbound I-15 In Fontana This Weekend. Expect Delays

FONTANA, CA. (Pain In The Pass) >> California Department of Transportation Caltrans will continue the Pavement Rehabilitation Project on Interstate 15 in the city of Fontana on Friday February 26 – Monday morning March 1st this weekend.

This roadwork project includes repaving the four lanes in both directions, repaving the on and off ramps, replace the bridge, guardrails, and slab replacement in lanes.

This weekend lane closures will be on the northbound side. Lane closures will start at about a mile before Sierra Ave. to Glen Helen Pkwy.

  •  Starts at 10pm Friday night, ALL DAY Saturday and Sunday, ends at 4am Monday* morning. At least 1 will be open, the #2, #3 and #4 lane are planned to be closed all weekend in the northbound directions.
  • EXPECT DELAYS at least 30 minutes to over a hour+ on the peak times. (peak time is 10am-6pm Sat & Sun)

Sierra Ave on ramp and Glen Helen Pkwy off ramp will be closed during the closure time.

*Lanes may open earlier if they finish early.

The work schedule will be subject to change due to weather or construction-related issues.

Motorists are advised you to use alternate routes by taking the eastbound 210 Freeway to northbound 215 freeway this will be the fastest way, or take the side streets.

Always reduce your speed through the work zone. Caltrans expects to complete the project by end of June 2021.

There are more ways to follow the Pain In The Pass. Join the Traffic Group on Facebook with over 93,000 members. Join the NEW group on MeWe. Like us on Facebook, Follow us on Twitter and Instagram.

loader-image
Cajon Pass
12:19 pm, Mar 31, 2026
temperature icon 62°F
overcast clouds
Humidity: 33 %
Pressure: 1013 mb
Wind: 11 mph
Wind Gust: 11 mph
Clouds: 100%
Visibility: 10 km
Sunrise: 6:37 am
Sunset: 7:09 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
2:00 pm
temperature icon
63°/65°°F 0 mm 0% 12 mph 35% 1014 mb 0 mm/h
5:00 pm
temperature icon
60°/61°°F 0 mm 0% 11 mph 44% 1013 mb 0 mm/h
8:00 pm
temperature icon
53°/53°°F 0.76 mm 76% 11 mph 68% 1013 mb 0 mm/h
11:00 pm
temperature icon
46°/46°°F 1 mm 100% 10 mph 80% 1013 mb 0 mm/h
2:00 am
temperature icon
48°/48°°F 0.26 mm 26% 10 mph 90% 1012 mb 0 mm/h
5:00 am
temperature icon
47°/47°°F 0 mm 0% 11 mph 86% 1013 mb 0 mm/h
8:00 am
temperature icon
48°/48°°F 0 mm 0% 8 mph 79% 1014 mb 0 mm/h
11:00 am
temperature icon
57°/57°°F 0 mm 0% 11 mph 52% 1014 mb 0 mm/h