See the pass before you drive it. Live Caltrans cameras and real-time conditions on I-15 over Cajon Pass — the busy gateway between the Los Angeles Basin and the High Desert, and the main route toward Las Vegas.
Cajon Pass carries I-15 over the San Bernardino Mountains at ~4,190 ft. Here's what to watch, and when it bites.
Cajon rarely closes for its elevation alone, but it's a wind, snow, and wildfire funnel. Winter storms occasionally drop snow to the summit and force chain controls; strong Santa Ana and canyon winds flip trucks; and in fire season, blazes in the pass have shut I-15 entirely. The cameras tell you which of those, if any, you're dealing with today.
I-15 through Cajon Pass is one of the most heavily traveled mountain crossings in the country — the whole Los Angeles-to-Las Vegas flow squeezes through here, on top of daily High Desert commuters. That volume means even a minor incident on the grade backs traffic up for miles, so a quick camera check before you commit to the climb pays off.
The cameras and alerts above are the stationary view — the Caltrans feeds you'd check before you leave. In the MileCheck app, the nearest camera and your exact mile marker follow you up the grade automatically, hands-free on CarPlay and Android Auto, so you're never guessing which stretch you're on.
The live map above shows active closures and incidents on I-15 over the pass, straight from Caltrans. For the wider picture, see the US road closures map.
Occasionally. At about 4,190 feet, Cajon Summit catches snow only in colder storms, but when it does, Caltrans runs chain controls on I-15. Wind and wildfire close it more often than snow — watch the live cameras above.
Cajon Summit on I-15 is about 4,190 feet, between the LA Basin and the High Desert around Victorville.
On I-15 about 55 miles northeast of Los Angeles, on the main route to Las Vegas. Track your mile marker over the grade with the MileCheck app on CarPlay or Android Auto.
MileCheck shows your exact mile marker in real time as you drive I-15 over Cajon Pass, plus the nearest camera and any alert on your route. Free to start, works offline, and runs on CarPlay and Android Auto.
MileCheck