NASHVILLE (AP) — The Tennessee Highway Patrol is stepping up seat belt and DUI enforcement over the Memorial Day holiday weekend.

The holiday period begins at 6 p.m. on Friday and ends at 11:59 p.m. on Monday. State troopers have scheduled 65 checkpoints.

Officials say 16 people were killed on Tennessee roadways during last year's Memorial Day weekend. That was a decrease from 19 fatalities the year before.

Last year, alcohol was involved in six of the fatalities.