 The state highway follows the Tye River through Massies Mill to Roseland, where the highway turns south to join SR 151 on Patrick Henry Highway.The two highways run through the hamlet of Hendersons Store to just north of Piney River, where the highways diverge at a wye intersection; the short connecter between SR 151 south and SR 56 east is SR 151Y.SR 56 heads east as Tye Brook Highway, which heads east and crosses the Tye River before intersecting US 29 (Thomas Nelson Highway) at Colleen.