 SR 42 continues to follow Walker Creek through Giles County, passing White Gate before ending at State Route 100 at Poplar Hill.SR 42 formerly turned north on SR 100, following Walker Creek northeast to Staffordsville.There it turned east on current State Route 730 (now connected to SR 100 via SR 750, an old alignment of SR 100), following some smaller brooks and passing over a summit on its way to Eggleston, where it crossed the New River.