Oxnard police conducted a DUI/DL checkpoint Friday night and Saturday morning.
It was located on Oxnard Boulevard and Glenwood Drive between 8 PM and 3 AM.
Police screened 758 vehicles.
They arrested one driver for DUI-alcohol.
Police say 21 citations were issued including 16 to drivers operating a vehicle unlicensed or while their license was suspended or revoked.
One vehicle was towed.