Substance Abuse Facilities Operating In The City. A Treatment Facility Can No Locate Anywhere In A Medical Zone Which Includes Schools, Expand Their Parking Areas And Can Open Prior To Seven In The Morning. Johnson City Leaders Decided To Make The Changes After The Tri Cities Holdings Group Took Them To Court For Not Allowing Them To Open A Facility In The City. Officials Hope Restricting Clinics To Medical Zones Will Allow For High End Treatment Facilities To Operate.