Northern Arizona experienced high levels of snowfall over the weekend causing multiple road way closures and detoured traffic.

Parts of Interstate 17 and State Route 89A, both the only way to get from the central Valley to northern Arizona, are closed.

The snow, along with a two-vehicle crash, contributed to the backup, Arizona Department of Public Safety spokesperson Bart Graves said. “We could not clear it quick enough to get traffic moving again because of the adverse snow conditions,