April 26, 2026 2:55 AM

Multiple Lane Closure On Northbound & Southbound I-15 In Fontana Friday Night – Saturday Morning.

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 March 19– Saturday morning March 20 this weekend. Both northbound and southbound I-15 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.

Southbound 11pm to 9am Friday night – Saturday morning*:  from Glen Helen Parkway to Sierra Avenue; 3 of 4 lanes will be closed for pavement work. One lane will remain open to traffic. The southbound Glen Helen on ramp and Sierra Avenue off ramp will be closed.

Detour map for southbound I-15 from the Cajon Pass, use the I-215 south to westbound 210 freeway to avoid delays and congestion. see map below.

Northbound 11pm to 9am Friday night – Saturday morning*:  from Sierra Avenue to Glen Helen Parkway; 3 of 4 lanes will be closed for pavement work. One lane will remain open to traffic. The Sierra Avenue on and off ramps and the Glen Helen off ramp will be closed.

Northbound traffic use eastbound 210 freeway to the northbound I-215 to avoid delays and congestion. see map below.

*Lanes may open earlier if they finish early.

The work schedule will be subject to change due to weather or construction-related issues. 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 95,000 members. Join the NEW group on MeWe. Like us on Facebook, Follow us on Twitter and Instagram.

loader-image
Cajon Pass
2:55 am, Apr 26, 2026
temperature icon 44°F
overcast clouds
Humidity: 82 %
Pressure: 1009 mb
Wind: 7 mph
Wind Gust: 15 mph
Clouds: 89%
Visibility: 10 km
Sunrise: 6:04 am
Sunset: 7:29 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
5:00 am
temperature icon
43°/44°°F 0.62 mm 62% 10 mph 84% 1010 mb 0 mm/h
8:00 am
temperature icon
44°/44°°F 0.3 mm 30% 13 mph 79% 1011 mb 0 mm/h
11:00 am
temperature icon
48°/48°°F 0 mm 0% 13 mph 66% 1012 mb 0 mm/h
2:00 pm
temperature icon
51°/51°°F 0 mm 0% 17 mph 49% 1011 mb 0 mm/h
5:00 pm
temperature icon
51°/51°°F 0 mm 0% 16 mph 48% 1010 mb 0 mm/h
8:00 pm
temperature icon
46°/46°°F 0 mm 0% 15 mph 74% 1012 mb 0 mm/h
11:00 pm
temperature icon
44°/44°°F 0 mm 0% 11 mph 77% 1014 mb 0 mm/h
2:00 am
temperature icon
42°/42°°F 0 mm 0% 11 mph 80% 1014 mb 0 mm/h