Location: NE 117th Ave and NE Fourth Plain Blvd
Both routes are signed here even though SR 503 probably doesn’t need to be, especially since the mileposts have been switched over to SR 500 on this stretch
Location: NE 117th Ave and Padden Pkwy NE, Vancouver
SR 500 will turn right up here and abandon SR 503
Location: NE 117th Ave and Padden Pkwy, Vancouver
Turn right to stay on SR 500. SR 503 continues straight.