Pick a major interstate and see it right now — live DOT cameras and real-time closures along the whole route, each tagged with its mile marker, so you can check the actual pavement before a long haul.
Canada to Mexico down the West Coast — Siskiyou Summit and the Grapevine are the winter wildcards.
See I-5 → Coast to coast · northThe longest interstate in America — Snoqualmie Pass, the northern plains, and the Great Lakes snow belt.
See I-90 → East CoastThe busiest interstate in the country — chronic congestion, Northeast snow, and Southeast hurricanes.
See I-95 → Coast to coast · centralOver Donner Pass and the Wasatch, then the windy high plains to the Great Lakes and the East.
See I-80 → Southern routeThe warm-weather crossing — desert dust storms in Arizona, Gulf Coast hurricanes and flooding in the Southeast.
See I-10 → LA–Vegas–Salt LakeOver Cajon Pass and the Mojave to Las Vegas, then the Wasatch to Salt Lake and north — the busy desert route.
See I-15 → Florida to MichiganSouth Florida up through Atlanta to Detroit and the northern lakes — congestion in the metros, snow in the north.
See I-75 → Central FloridaThe spine of Central Florida through Orlando — one of the most congested and crash-prone stretches in the state.
See I-4 → Northern tierEastern Montana plains through Wisconsin to Detroit — ground blizzards on the plains, Great Lakes snow in the east.
See I-94 →Each corridor page pulls live cameras and closures straight from the state DOTs along the route. Checking a specific summit? See mountain pass conditions. Or browse every highway camera and the US road closures map. To track your exact mile marker on any interstate hands-free, get the MileCheck app for CarPlay and Android Auto.