The SMPD Traffic Enforcement Section conducted a DUI checkpoint in the 300 block of Pico Boulevard Friday evening, nabbing four suspected drunk drivers, issuing eight citations and impounding seven vehicles, police said.

The enforcement, funded by a grant from the National Highway Traffic Safety Administration, began at 9 p.m. and ended 1:30 a.m. Saturday. During that time 1,071 vehicles passed through the checkpoint, 258 drivers were contacted and 20 DUI investigations were conducted, according to officers.