According to police, DuBois Motor Carrier Enforcement was conducting an inspection along Interstate 80, exit 86 eastbound, when a 63-year-old man stopped at the location in a 2012 Freightliner Tractor Trailer.
Police found the driver to be under the influence of alcohol. He was given field sobriety tests and then taken to Penn Highlands DuBois for a blood test.
The case will continue pending the blood test results.
Authorities did not release the name of the suspect.