National Route 297 is a national highway of Japan connecting Tateyama, Chiba and Ichihara, Chiba in Japan, with a total length of 107 km (66.49 mi). (en)
National Route 297 is a national highway of Japan connecting Tateyama, Chiba and Ichihara, Chiba in Japan, with a total length of 107 km (66.49 mi). (en)