The route intersects Second Street and narrows to a two - lane undivided , unnamed road as it heads along the west bank of the Lehigh River .
Past this intersection , PA 145 continues north through rural areas with some development , crossing into North Whitehall Township .
The route intersects Second Street and narrows to a two - lane undivided , unnamed road as PA 145 heads along the west bank of the Lehigh River .
Past this intersection , PA 145 continues north through rural areas with some development , crossing into North Whitehall Township .