State Route 77 lane closures planned north of Tucson for marathon

State Route 77 north of Tucson, from Catalina to Oracle (mileposts 85-100) will have lane closures in both directions from 7 a.m. to 1:30 p.m. Saturday, Dec. 10, for the Tucson Marathon. 

  • Motorists should expect delays of up to 15 minutes.
  • Law enforcement officials will be on site.

Drivers should proceed through the area with caution, slow down and watch for personnel and equipment. 

ADOT works to inform the public about planned highway restrictions and closures, but it’s possible that unscheduled impacts might occur because of weather or other factors. For the most current information about highway conditions statewide, visit ADOT’s Travel Information Site at, follow ADOT on Twitter (@ArizonaDOT) or call 511,except while driving.

For more information, please call Paki Rico, ADOT senior community relations officer, at 520.388.4233 or


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