SIOUX FALLS, S.D. — Highway Patrol troopers in South Dakota, Wyoming and Minnesota are joining forces for an annual traffic safety operation on Interstate 90.

The effort covers 23 hours, from 5 a.m. Central time Friday to 4 a.m. Central on Saturday. Troopers in each state will crack down on speeding, hazardous moving violations, seatbelt use and impaired driving.

According to a press release, the operation includes use of police dogs, drug recognition experts and motor carrier personnel.

The effort coincides with the start of the long Memorial Day holiday weekend.