 North of Auburn, SR 4 continues northward, staying near the west bank of the Androscoggin River, through the town of Turner, to Livermore, where it crosses the river to Livermore Falls.SR 4 continues to an intersection with US 2 in Wilton, and runs concurrently with it for to Farmington.SR 4 follows the Sandy River north of Farmington, through the towns of Strong and Phillips, and west to the river's source near Saddleback Mountain.