1. On roads without speed limit signs and markings: 30km for urban roads and 40km for roads without road center lines;
2. There is only one motor vehicle lane in the same direction: 50 kilometers of urban roads and 70 kilometers of expressways;
3. Visibility within 50 meters: the top speed is 30 kilometers per hour;
4. Turn around, turn, and descend a steep slope: the top speed is 30 kilometers per hour;
5. Traction of faulty motor vehicles: the maximum speed is 30 kilometers per hour.
Rural highway speed limit standard:
1, the speed of rural roads is 40 kilometers per hour. There are only 1 motorway in the same direction, with 50 kilometers per hour for urban roads and 70 kilometers per hour for rural roads;
2. If it is a county road or a country road with speed limit signs and markings, it is illegal to drive at a speed limit.
To sum up, speed limit usually refers to specifying the driving speed within a certain numerical range for a certain length and distance. Its main purpose is to remind drivers to control the speed reasonably in advance and prevent the danger of speeding in the following sections ahead. Speed limit is an indispensable link in highway transportation safety.
Legal basis:
Article 45 of the Regulations for the Implementation of the Road Traffic Safety Law
Motor vehicles driving on the road shall not exceed the speed indicated by speed limit signs and markings. On the road without speed limit signs and markings, motor vehicles shall not exceed the following maximum speed:
(a) there is no road center line, the city road is 30 kilometers per hour, and the expressway is 40 kilometers per hour;
(2) For roads with only 1 motorway in the same direction, urban roads are 50 kilometers per hour and expressways are 70 kilometers per hour.