State police will have extra troopers on duty this Thanksgiving weekend to identify operators driving under the influence of alcohol or drugs, officials said in a release.

From Nov. 22 to Nov. 26, Troop I will conduct roving DUI patrols during the evening on Route 15 in the North Haven area, Interstate 91 in the North Haven area, Interstate 691 in Meriden and Route 8 in the Shelton area. On Nov. 24, Troop I will also conduct a spot check on Interstate 91 in the area of Exit 6 in New Haven from 6 p.m. to 2 a.m., according to the release.

During the roving DUI patrols and spot checks, troopers will stop motor vehicles for moving and equipment violations as part of a continuing effort to identify motorists who are operating vehicles under the influence of alcohol and/or drugs, police said. Troopers will remain extremely vigilant in their DUI enforcement effort and effort to keep everyone safe this holiday weekend, the release said.