The situation began after a vehicle was reported to be traveling eastbound down the westbound lanes of Interstate 10 near Broadway Road in Tempe at around 4 a.m. on Aug. 21.
A trooper then found that a red Cadillac was heading the wrong way down the northbound lanes of Loop 101, between Guadalupe and Baseline roads.
Officials said an undercover trooper crashed into the wrong-way vehicle in order to stop the driver.
Both the driver, identified as 22-year-old Isaias Luis Llanos, and the trooper were hospitalized with minor injuries. The trooper has since been released from the hospital.
According to court documents, Llanos' blood-alcohol level was .093.
Llanos was arrested and booked into jail. He is accused of DUI, aggravated DUI wrong-way driving, DUI drugs, aggravated assault and endangerment. The investigation is ongoing.
Isaias Llanos, 22, was arrested is accused of DUI after allegedly driving the wrong way on the loop 101 in Tempe. DPS says a trooper used his vehicle to stopped Llanos' car.