在绝大部分地区，自行车在法律上与机动车一样，需要遵守机动车在道路上的所有法规，比如遵守交通信号和交通灯。

In most areas, bikes are legally considered as vehicles and must obey all the laws that apply to vehicles in the roadway such as obeying traffic signs and lights.

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每个交叉口都设有两个交通信号灯，即使是腿长步子快的人要在两个灯变化前走到另一边，那也算幸运的。

Those with a quick pace and long legs will be lucky if they get to the other side with the changing of two traffic lights that are placed at every intersection.

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(韩国设计师，官网在此)设计的SEIL背包利用LED灯来显示交通信号。

SEIL backpack by Lee Myung Su USES LED lights to display traffic signals.

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