| 释义 |
{{Infobox road
|country=JPN
|type=National
|route=457
|maint=
|alternate_name=国道457号
|map=
|image=Kokudo457GoKurikoma.jpg
|length_km=173.9
|length_round=
|length_ref=
|established=
|direction_a=
|terminus_a=
|junction=
|direction_b=
|terminus_b=
|browse=
}}National Route 457 is a national highway of Japan connecting Ichinoseki, Iwate and Shiroishi, Miyagi in Japan, with a total length of 173.9 km (108.06 mi). {{commonscat|Route 457 (Japan)}}{{Japan-road-stub}} 1 : National highways in Japan |