Tennessee State Route 331
State Route 331 (SR 331) is a mostly west–east, signed north–south, secondary highway in Knox County in the U.S. state of Tennessee.SR 331 begins in Knoxville at an intersection with US 441/SR 33 (Broadway).The highway continues northeast through suburbs before leaving Knoxville and going through farmland.SR 331 continues northeast to pass through downtown, where it has an intersection with Corryton Road, a major county Road that leads to Plainview and SR 144.It then leaves Corryton to continue northeast through farmland to come to an end at an intersection with SR 61 just west of Blaine.