释义 |
{{Infobox road |country=JPN |type=National |route=421 |maint= |alternate_name=国道421号 |map= |length_km=72 |length_round= |length_ref= |established= |direction_a= |terminus_a= |junction= |direction_b= |terminus_b= |browse= }}National Route 421 is a national highway of Japan connecting Kuwana, Mie and Ōmihachiman, Shiga in Japan, with a total length of 72 km (44.74 mi). {{commonscat|Route 421 (Japan)}}{{Japan-road-stub}} 1 : National highways in Japan |