IMPD handles most Law Enforcement Operations for all of Marion County, except City of Lawrence, City of Speedway, Indianapolis Interational Airport Athority Police, and the area College/University Police Departments .  IMPD also handles primary communications for the following Police Departments: Beech Grove, Cumberland (also dispatched by Hancock County SO on SAFE-T), Broad Ripple, Homecroft,  and Southport.  IMPD also has Mutual Aid Agreements with surrounding Law Enforcement Agencies, including the Indiana State Police, and can interop with those agencies on both the IDPS TRS, as well as the SAFE-T TRS.