Tennessee State Route 236 runs east-west in Far-Northern Central Tennessee. This highway run in the northern out reaches of the Greater-Clarksville Area. It is just south of the Kentucky/Tennessee State Line. TN St Rt 236 does not pass through any towns in Montgomery County. TN St Rt 236 is not multi-plexed in Montgomery County. TN St Rt 236 intersects the following highwaysin Montgomery County. U.S. Rt. 41A, near Fort Cambell. Tennessee State Route 12, near Clarksville. Tennessee State Route 48, near Clarksville. 10 October 2009