1.fasten seat belts 系安全带
2.shared bikes 共享单车
3.random parking 随意停车
4.public transportation 公共交通
5.break the speed limit 超速
6.an express train 特快列车
7.a highspeed train 高铁
8.cancel the flight 取消航班
9.avoid traffic jams 避免交通堵塞
10.raise traffic safety awareness 提高交通安全意识
11.traffic signals/lights 红绿灯
12.slow down 减速
13.run a red light 闯红灯
14.a driving license 驾照
15.obey/observe traffic regulations 遵守交通规则