traffic flow security

例句：

1. 1. The traffic flow security measures have beenimplemented to reduce accidents.
   实施了交通流量安全措施以减少事故。
2. 2. The cityhas strict traffic flow securityregulations to ensure the safety ofpedestrians and cyclists.
   该市有严格的交通流量安全规定，以确保行人和自行车手的安全。
3. 3. The trafficflow security system is designedto prevent accidents caused by heavytraffic.
   交通流量安全系统旨在防止因交通拥堵造成的事故。