地面上的管道应尽量避免与道路、铁路和航道交叉。在不能避免交叉时，交叉处跨越的高度也应能使行人和车船安全通过。地下的管道一般沿道路敷设，各种管道之间保持适当的距离，以便安装和维修；供热管道的表面有保温层，敷设在地沟或保护管内，应避免被土压坏和使管子能膨胀移动。
Pipelines on the ground should avoid crossing roads, railways and waterways as far as possible. When qingxiji.07858.netjilin.89ix.comshenyang.89ix.comxining.89ix.comcrossing is unavoidable, the crossing banzhi.37ix.com.cntiexinn.07858.netheight should also enable pedestrians and vehicles to pass safely. Underground pipelines are generally laid along the road, keeping proper distance between various pipelines for installation and maintenance; heat-supply pipelines have insulation layer on the surface, which is laid in ditches or protective pipes, so as to avoid being crushed by soil and make the pipes expand and move.