Live Roads USA / Guides Guides
What doesn't change every minute: the chain laws, how the mountain passes close, the busiest days to travel. Every rule links to its official source at the bottom of the page, and every guide leads to the live pages.
Guide 01 · 9 min
Chains, traction tires and studded tires: the rules state by state
What each western state asks of a passenger car when chains go up, when all-wheel drive is enough, the studded tire dates and the fines, from each state's own rules.
Guide 02 · 9 min
Best traffic apps in the USA (2026): an honest comparison
Waze, Google Maps, Apple Maps, the state 511 apps and the FEMA app side by side: official sources, work zones, crashes, NWS warnings, wildfires, chain controls, gas, cameras and privacy.
Your roads by email, every morning Crashes, chain controls and closures on the highways you pick, at 6:00 AM Eastern. Free, and one click to stop.
More options : more highways, states, or Mondays only.
These guides are for information only: they do not replace road signs, state law or legal advice. Rules change; the date each guide was checked is at the bottom of it.
Live Roads Road closures, chain controls, work zones and crashes on US highways, state by state, from official sources, with the time of every update shown.
Coverage grows state by state. Each state page lists what is covered there and what is not yet.
Sources California Department of Transportation (Caltrans) California Highway Patrol (CHP), via Caltrans QuickMap Data provided by 511.org (Metropolitan Transportation Commission) Work Zone Data Exchange feeds, US state departments of transportation Indiana DOT, Kansas DOT (KanDrive), Minnesota DOT (511MN) and New York State DOT with TRANSCOM (511NY, including its New Jersey, Connecticut and Pennsylvania events), CARS 511 event data, public domain; MassDOT (Mass511), Nebraska DOT (Nebraska 511) and Tennessee DOT (Tennessee 511 / SmartWay), CARS 511 public event reports State DOT 511 systems (DriveNC, 511GA, NVroads, UDOT Traffic, CTroads, 511 Idaho, Alaska 511) ODOT TripCheck Ohio Department of Transportation (ODOT), OHGO Wyoming Department of Transportation (WYDOT), wyoroad.info CDOT / COtrip VDOT SmarterRoads DriveTexas.org ALDOT and ALEA, ALGO Traffic (University of Alabama CAPS) West Virginia DOT (WVDOT), WV511 Montana DOT (511MT) and South Dakota DOT (SD511) New Mexico DOT (NMDOT), NMRoads, CC0 Hawaii DOT (HDOT), GoAkamai lane closures District Department of Transportation (DDOT), TOPS permits via DC GIS, CC BY 4.0 Courtesy of the Arkansas Department of Transportation Kentucky Transportation Cabinet (KYTC), CC0 Iowa Department of Transportation (Iowa DOT), 511 events, CC BY 4.0 Rhode Island Department of Transportation (RIDOT), dot.ri.gov/travel Maine DOT, New Hampshire DOT and Vermont Agency of Transportation (Tri-State), New England Compass National Park Service Michigan DOT (MiDrive) Reports from local US news outlets, each credited and linked; facts extracted by Roadscore. Road positions from OpenStreetMap contributors (ODbL). Missouri Department of Transportation (MoDOT) Traveler Information Washington State Department of Transportation (WSDOT) Illinois Department of Transportation (IDOT) Maryland CHART, Maryland Department of Transportation NYC Department of Transportation, NYC Open Data NOAA / National Weather Service Aggregated by Roadscore . Not an official service. Check conditions before you travel; most states answer on 511 . In an emergency, call 911 .
