AURORA, Neb. -- Authorities in central Nebraska said they arrested two Arizona men for thousands of suspect fentanyl pills in an Interstate 80 traffic stop near Aurora.

The Nebraska State Patrol said they two men, 27-year-old Jesus Quinones and 44-year-old Daniel Alvillar, were arrested for 50,000 suspected fentanyl pills Thursday around 8:30 a.m.

The NSP said that a trooper saw a Toyota Tacoma improperly pass a semi going east, and subsequently pulled the vehicle over near Aurora. 

During the traffic stop, the NSP said the trooper became suspicious of criminal activity.

This lead to a search of the vehicle, and the NSP said that several bags of suspected fentanyl pills, totaling to about 50,000 pills weighing more than 11 pounds, were found in the tailgate of the pickup. 

Authorities said that troopers also found small amounts of suspected cocaine and methamphetamine.

Quinones, the driver, and Alvillar, the passenger, were both arrested for possession of controlled substances and possession with intent to deliver. Both were lodged in Hamilton County Jail.