Japan National Route 189 partially coincident with Japan National Route 188
Overview
Route 189 connects with the main gate of Marine Corps Air Station Iwakuni at the southernmost end, and with the Taiteishi intersection of Routes 2 and 188. Access to the commercial portion of Air Station Iwakuni is provided by the Yamaguchi Prefectural Route 110 Iwakuni Kintaikyo Airport Line.While the actual length of the road is 2.9 km (1.80 mi), over 2.5 km (1.55 mi) of this overlaps with Japan National Route 188. The section of this route with no overlap is just 372 m (1,220.5 ft) long, making it the second-shortest national highway in Japan, longer than Route 174 by 185 m (607.0 ft), and shorter than Route 130 by 110 m (360.9 ft).
partially overlapping with partially intersecting with partially sharing with partially matching with partially aligning with