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I-15 shield

Cajon Pass · I-15 road conditions

View chain controls for I-15 View Cajon Pass status

Road closure

Road work/lane restrictions and 15 road closures are reported below. Check road details before departure.

Last checked 3 min ago

This page shows full-road conditions for I-15. Some reported conditions may be outside a specific destination approach.

Chain controls

No chain controls reported (R-0)

2 locations
Chain restriction guide
R0
No chain controls are in effect at this time.
  1. Where
    Devore Jct. 215/15 thru to Main St in Hesperia
    Chain restriction
    R0
    Effective from
    Feb 9, 9:50 PM
    Direction
    Northbound
  2. Where
    Halloran Springs thru to State Line
    Chain restriction
    R0
    Effective from
    Feb 22, 3:38 AM
    Direction
    Northbound
Road work and lane restrictions

23 active areas reported

23 areas
  1. Where
    Route 15 to Rancho California Rd
    What
    AC paving
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 3:59 AM
  2. Where
    Route 79/Winchester Rd to Santiago Rd
    What
    AC paving
    Traffic impact
    Lane restriction
    Lanes affected
    2 of 4 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 3:59 AM
  3. Where
    Route 79/Winchester Rd to Santiago Rd
    What
    AC paving
    Traffic impact
    Lane restriction
    Lanes affected
    3 of 4 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 3:59 AM
  4. Where
    Route 79/Winchester Rd to Route 15
    What
    AC paving
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 3:59 AM
  5. Where
    RANCHO CALIFORNIA to Route 15
    What
    AC paving
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 3:59 AM
  6. Where
    Route 15 to Temescal Canyon Rd
    What
    Drainage work
    Traffic impact
    Full closure
    Lanes affected
    2 of 2 lanes closed
    Direction
    Northbound
    Expected to end
    Aug 18, 4:59 AM
  7. Where
    Temescal Canyon Rd to Route 15
    What
    Drainage work
    Traffic impact
    One-way traffic
    Lanes affected
    1 of 2 lanes closed
    Expected to end
    Aug 18, 4:59 AM
  8. Where
    Route 15 to Cantu-Galleano Ranch Rd
    What
    Highway construction
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 5:59 AM
  9. Where
    Mission Blvd to Baseline Rd
    What
    Highway construction
    Traffic impact
    Lane restriction
    Lanes affected
    2 of 4 lanes closed
    Direction
    Northbound
    Expected to end
    Aug 18, 5:59 AM
  10. Where
    Baseline Rd to Mission Blvd
    What
    Highway construction
    Traffic impact
    Lane restriction
    Lanes affected
    2 of 4 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 5:59 AM
  11. Where
    Mission Blvd to Baseline Rd
    What
    Highway construction
    Traffic impact
    Lane restriction
    Lanes affected
    2 of 4 lanes closed
    Direction
    Northbound
    Expected to end
    Aug 18, 5:59 AM
  12. Where
    Jurupa Ave to Route 15
    What
    Highway construction
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Northbound
    Expected to end
    Aug 18, 5:59 AM
  13. Where
    Route 15 to Route 10
    What
    Highway construction
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Northbound
    Expected to end
    Aug 18, 5:59 AM
  14. Where
    Route 15 to Foothill Blvd/Route 66
    What
    Highway construction
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 5:59 AM
  15. Where
    Foothill Blvd/Route 66 to Route 15
    What
    Highway construction
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 5:59 AM
  16. Where
    Baseline Rd to Mission Blvd
    What
    Highway construction
    Traffic impact
    Lane restriction
    Lanes affected
    2 of 4 lanes closed
    Direction
    Southbound
    Expected to end
    Aug 18, 5:59 AM
  17. Where
    Route 15 to Valley Wells Rest Area - Northbound
    What
    Sewer work
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Northbound
    Expected to end
    Oct 30, 11:59 PM
  18. Where
    Route 15 to Valley Wells Rest Area - Northbound
    What
    Emergency work
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Northbound
  19. Where
    Route 15 to Valley Wells Rest Area - Northbound
    What
    Sewer work
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Southbound
    Expected to end
    Oct 30, 11:59 PM
  20. Where
    Route 15 to Valley Wells Rest Area - Southbound
    What
    Emergency work
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed
    Direction
    Southbound
  21. Where
    Valley Wells Rest Area - Southbound to Cima Rd
    What
    Bridge work
    Traffic impact
    Full closure
    Lanes affected
    2 of 2 lanes closed
    Direction
    Northbound
    Expected to end
    Aug 18, 8:01 AM
    Delay
    Est. 15 min
  22. Where
    Cima Rd to Route 15
    What
    Bridge work
    Traffic impact
    One-way traffic
    Lanes affected
    2 of 2 lanes closed
    Expected to end
    Aug 31, 11:01 PM
    Delay
    Est. 2 min
  23. Where
    Cima Rd to Route 15
    What
    Bridge inspection
    Traffic impact
    Full closure
    Lanes affected
    1 of 1 lanes closed

Route info

Destination
Cajon Pass
Source
Caltrans
Jurisdiction
California
Technical details
Data sources
  • Caltrans District 8 chain controls
  • Caltrans District 8 lane closures
Last fetch
Aug 18, 1:55 AM PDT
Open Caltrans QuickMap →
Coverage details

Covers reported I-15 conditions from listed sources — some nearby roads aren't monitored. See what's included.

This page shows conditions reported by MountainSwitch's listed I-15 sources along the full route, including Caltrans District 8 reports outside the Cajon Pass coverage above.

Route-wide reports don't expand the Cajon Pass answer, which covers only the stretch from south of Glen Helen Parkway (postmile 14.6) to the I-15 / SR-138 junction (postmile 21.64). I-15 reports outside that stretch — including the summit grade north to postmile 24 — appear here at route level only. SR-138, SR-2, I-215, and US-395 are context or detour routes and never part of the Cajon Pass answer.

Conditions can change quickly in the mountains. This page never replaces chain requirements, closures, or official Caltrans guidance. When no restrictions are reported, this page says 'No restrictions reported' — it never says the road is open, and missing or unclear data never becomes 'open' either. Northbound and southbound conditions can differ. This page makes no safe-to-drive or all-clear claim, and the Cajon Pass answer never extends beyond its covered stretch.