Dynamic message sign
01
动态信息标志, 可变信息标志
an electronic traffic sign that displays real-time information about road conditions or alerts to drivers
例子
When approaching a busy highway, dynamic message signs provide updates on traffic congestion and suggested alternate routes.
当接近繁忙的高速公路时，动态信息标志会提供交通拥堵的更新和建议的替代路线。
During severe weather, dynamic message signs instruct drivers to reduce speed and proceed with caution.
在恶劣天气期间，动态信息标志指示驾驶员减速并谨慎行驶。
