Pittsburgh Police hats with checkered bands, which are dark navy blue and gold in color, popularly known as the "Sillitoe Tartan" and named after its originator, Percy J. Sillitoe, Chief Constable of Glasgow, Scotland, in the 1930s. While the checkered band is a common police symbol in the United Kingdom, Australia and some European countries, the Chicago Police Department, Cook County Sheriff's Police, the Allegheny County Sheriff's Office, and the Pittsburgh Bureau of Police are the only police forces in the United States that have adopted it as part of their uniforms. As recently as July 1930, police were required to wear
Police vehicles in the United States and Canada as well as Crown Victorias, and police editions of Chevrolet Impalas. Dodge Durangos and Ford Explorers have also been spotted. A number of Drug Abuse Resistance Education (DARE) programs in local police departments have some notable vehicles marked as police cars to promote the program. The DARE cars appear at schools and in parades. Typically these cars are high-end or performance cars that have been seized in a drug raid. They are used to send the message that drug dealers forfeit all their glamorous trappings when they get caught. Cars include the Chevrolet Corvette, Ford Mustang, and Humvee. Ford ceased