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 Kingdom Police vehicles in the United Kingdom The 52 police forces in the UK use a wide range of operational vehicles including compact cars, powerful estates and armored police carriers. The main uses are patrol, response, tactical pursuit and public order policing. Other vehicles used by British police include motorcycles, aircraft and boats. Patrol cars may also be known as response or area cars. They are the most essential mode of police transport. In most forces these vehicles are low-budget compact cars due to the simple tasks they need to perform. The Vauxhall Corsa and Ford Fiesta have both been used