The Springfield Police Department, operated by the government of the City of Springfield in Missouri, offers a range of law enforcement and crime prevention services. The department, also known as SPD, has been in operation since 1858. It serves a population of more than 168,000 in an area of over 75 square miles. The department employs a staff of nearly 325 people. The Springfield Police Department administers operations, support services and investigations divisions. The department conducts criminal investigations for violent and property crimes. It offer patrol and community services and maintains a special investigation unit. The Springfield Police Department offers online various traffic safety tips.