市政隧道是修建在城市地下，用作敷设各种市政设施地下管线的隧道。
成都市红星路下穿市政隧道首次采用了顶部开孔的自然通风方式。
The first use of urban tunnel with upper vents is HongXing road tunnel in ChengDu.
所谓共同沟，即通常所说的地下综合管沟或管廊，是专门用于集中敷设各种市政管线的地下隧道。
Utility tunnel is an integrated underground pipe ditch or pipeline corridor, which is especially used for laying of underground tunnel of municipal pipeline project.
本规定所称城市道路是指市政道路、住宅区和工业区内道路和经营性的高速公路、桥梁、隧道等道路。
The urban road mentioned in these regulations refers to the municipal road, the road in residential or industrial district, operational freeway, bridge or tunnel.
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