高速公路上救援电话是多少？

A quick emergency number for highway is 12122. It can be used in an emergency on the highway, providing help. However, driving on highways requires certain precautions: ensure all passengers are secured by a safety belt; do not communicate on the road while driving to prevent accidents; avoid sudden shifts in steering; do not overtake or change lanes without first using the turn signal and returning to your lane; do not reverse,逆行, or cross central lines; avoid navigating through匝des or stopping to test drive. Always maintain a safe distance from the car in front, especially when driving slower than 100 km/h, where you can reduce your gap if appropriate but must keep at least 50 meters away.