traffic safety facilities

例句：

1. 1. The cityhas invested heavily in improving its traffic safetyfacilities.
   该市已大力投资改善其交通安全设施。
2. 2. The new road design incorporatestraffic safety facilities to reduce accidents.
   新的道路设计包括了交通安全设施，以减少事故。
3. 3. The government is working on developing moreadvanced traffic safety facilities for the future.
   政府正在努力开发更先进的交通安全设施，以应对未来的需求。