Pennsylvania State Police and municipal officers from South Strabane Township, North Strabane Township and Chartiers Township arrested 54 intoxicated drivers as part of a DUI enforcement initiative called “Operation Nighthawk” last weekend. The operation was hosted by state police in Washington. In addition to the intoxicated drivers, it resulted in 35 arrests for controlled substances and six arrests for underage drinking. Police conducted 356 stops and issued 255 citations and 227 warnings for traffic offenses. Three drivers had licenses suspended for previous DUI charges, state police said. In addition to the drug and alcohol charges, police arrested six individuals for misdemeanor offenses, four others for felony crimes and served six with warrants. According to state police, more than 50 law enforcement officers participated in Operation Nighthawk, a specialized and unique two-day training and enforcement program that has proven highly successful at reducing drinking and driving.