The Tennessee Highway Patrol will increase enforcement during the Cinco de Mayo holiday. THP Col. Tracy Trott says more patrols and specialized traffic safety enforcement will continue through midight Wednesday. THP personnel will hold sobriety and seat belt checkpoints and conduct statewide saturation patrols throughout the 48-hour holiday period. As of May 1, officials say 266 motorists have been killed on Tennessee roadways this calendar year. That is six fewer traffic fatalities than this same time last year.