法兰克福 2002.3 Creative Commons Attribution License. You may use for any purpose, but only with attribution / credit to: Karl Fjellstrom, Far East Mobility
法兰克福城市交通
过街设施：常规 - 交叉口缩窄 - 路侧停车 - 路缘扩宽 - 无信号控制交叉口      
Narrowing reduces the intersection crossing distance for pedestrians at an unsignalised intersection
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