ADOT to Close State Routes for Winter Starting Today, November 16

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Phoenix – With the winter months rapidly approaching, the Arizona Department of Transportation is closing State Route 473 in the White Mountains area and State Route 366, also known as Swift Trail, heading up to Mount Graham in southern Arizona for the winter beginning on Monday, November 16.

Snow Highway

State Route 67 leading to the North Rim of the Grand Canyon will close on December 1, while other White Mountains area highways such as state route 261 and 273 will close by Dec 31. These highways may close sooner depending on weather.

ADOT closes these highways annually as part of the agency’s winter shutdown schedule due to significant amounts of snowfall these regions typically receive.

ADOT reminds motorists heading into snow country to drive with caution and follow this advice:

  • Get Familiar with your potential routes. Don’t let GPS and navigation apps replace common sense. When a highway is closed, a suggested alternate route involving an unpaved, unplowed road can lead you into danger. Instead, look for a safer route to reach your destination.
  • Be prepared. Pack an emergency kit, a fully charged mobile device, extra clothing, blankets, water, and snacks.
  • Slow down. Drive defensively. Be patient and allow extra time for your trip. Never pass a snow plow.
  • Space it out. Leave sufficient space between your vehicle and those ahead of you. Give yourself plenty of room and time to stop or to avoid hazards.
  • Watch your fuel levels. Make sure your vehicle has plenty of fuel.
  • Know road conditions. Check weather and road conditions before you travel. Let someone know your route.
  • Have winter tools for the car. Bring a small bag of sand (or cat litter) for wheel traction. Have a snow brush and scraper handy.

Additional information on winter driving is available at

Know road conditions, plan your trip, get travel times, or see ADOT cameras at

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