NASHVILLE— Motorists can expect a heightened drunk driving enforcement campaign statewide, as the Tennessee Highway Patrol prepares for the 2011 Labor Day holiday weekend. State Troopers will participate in the annual nationwide attack on impaired driving effort known as, Drive Sober or Get Pulled Over, beginning Friday, September 2, at 6 p.m. and ending Monday, September 5, at 11:59 p.m.