A northern Arizona roadway is closed after the pavement collapsed Wednesday. The Arizona Department of Transportation says a 150-foot section of US 89 buckled this morning about 25 miles south of Page.

Officials say the cause is not weather related and may be a "geologic event."
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© ADOT

US 89 is closed northbound at US 89A and in Page US 89 is closed at the junction with State Route 98.

Drivers trying to get to Page are advised to take an alternate route that will put them about 45 miles out of their way.

That route will take them east on US 160 to SR 98 and north on SR 98 to Page.

Photos show the road cracked, buckled and dropped below pavement level.

ADOT says it doesn't know how long the road will be closed.

Crews are on scene and are using geotechnical engineers to investigate.