frontage road
US /ˈfrʌn.tɪdʒ ˌroʊd/
UK /ˈfrʌn.tɪdʒ ˌroʊd/

1.
辅路, 服务道路
a road that runs parallel to a main road and provides access to properties alongside it
:
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Take the next exit and then turn onto the frontage road.
从下一个出口驶出,然后转到辅路。
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Many businesses are located along the frontage road.
许多企业都位于辅路沿线。