The route heads north along Jones Street until it leaves Midville.

It continues northward, passing through rural parts of western Burke County and the unincorporated communities of Magruder and Rosier, until it meets SR 24 in Vidette.

It heads northwest until the roadway runs along the Burke-Jefferson County line.

Just after this, it meets its northern terminus, an intersection with SR 88 just south of Keysville.

SR 305 was established in 1956 in western Burke County.