Lighting of street tunnels and underpasses ; general quality characteristics and guide values .
地下街道和通道的照明;一般质量指标和参考值。
Most of the highway intersections are bridge underpasses so you can do quite a distance , non stop without having to deal with highway crossings .
公路交叉口大多数桥梁隧道，因此您可以完全不考虑处理公路隧道相当的距离，不停止。
London already has a few underpasses .
伦敦的地下通道不多。
Dank underpasses and walkways have been closed off , ground floor garages converted to shops and a church , and the worst buildings demolished to make way for a mixture of social and private housing .
