SR 232 begins at an interchange with I-81 just east of the Interstate's bridge over the New River just south of Radford in Montgomery County. The interchange consists of a half-trumpet with northbound I-81 and a pair of ramps—one straight and one loop—with southbound I-81.
SR 232 begins at an intersection with I-81, located east of the bridge over the New River south of Radford in Montgomery County. The interchange features a half-trumpet for northbound traffic on I-81 and a pair of ramps—one straight and one loop—for southbound traffic on I-81.