The Montville Police Department provides professional law enforcement services to the citizens of the city of Montville, N.J. It is structured into various divisions, such as operation and services. The department has various patrol, traffic and detective bureaus. Its patrol officers provide emergency medical treatment to the injured through Emergency Services Unit. Additionally, it provides services for the follow-ups of serious crimes, vice activities and juvenile matters. The Montville Police Department offers traffic-related services to the community in the form of accident investigation, traffic direction and enforcement, flow surveys, and school crossing and other special assignments. It also provides permits to carry firearms.