HOENIX (3TV/CBS 5) -- A wrong-way crash closed northbound Interstate 17 for hours in north Phoenix Tuesday morning, according to the Arizona Department of Public Safety.

Northbound I-17 is closed at Carefree Highway while troopers investigate the wrong-way crash.

[WATCH: Alcohol likely a factor in wrong-way crash on I-17, DPS says]

DPS said a four-door sedan was traveling southbound in the northbound lanes of I-17 when it collided with a semi around 5:23 a.m.

"Our initial calls were the collision," said Trooper Jonathan Montes. "So we received calls for the collision before we got calls for a wrong-way."

[PHOTOS: Wrong-way crash shuts down NB I-17 in north Phoenix]

DPS said the driver's side of the sedan was torn off and the wrong-way driver was ejected after it collided with the rear left side of the semi's trailer.

The alleged wrong-way driver, a woman in her 20s, was taken to a hospital with serious injuries. The semi driver was uninjured.

[WATCH: Wrong-way driver hits semi on I-17 in north Phoenix]

DPS said the woman was "absolutely" lucky to have survived. They added it was fortunate that everyone was able to stop in time after she was ejected.

The semi near the wrong-way vehicle, as well as the truck towing a vehicle were not involved in the collision, according to DPS. They were witnesses that stopped at the scene and provided statements to troopers.

[VIDEO: Wrong-way crash closes NB I-17 near Carefree Hwy]

DPS says the woman is suspected of impairment.

Traffic is exiting at State Route 74. Traffic can re-enter northbound I-17 at Pioneer Road.

[MAP: 2019 wrong-way incidents in Arizona]

The closure affected the Tuesday morning commute for hours before reopening just after 9:30 a.m. The southbound lanes are unaffected.

No other details have been released.

[APP USERS: Click here for chart | Click here for map]

Stay tuned to Arizona's Family for developments on this wrong-way crash.


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