On June 5438+1October 65438+March, 2005, People's Republic of China (PRC) and the former Ministry of Communications (now the Ministry of Transport) promulgated the "China Expressway Network Planning" (referred to as "79 18 Project"), which stipulated the numbering rules of national expressway trunk lines, regional loop lines and branch lines. There are two parallel lines in the branch line sequence, one of which is Changshu.
20 13 On June 20th, the Ministry of Transport of the People's Republic of China promulgated the National Highway Network Planning (20 13-2030), and the planning of Changtai Expressway remained unchanged.
201On September 7th, 7, People's Republic of China (PRC) and the former General Administration of Quality Supervision, Inspection and Quarantine (which was incorporated into the Market Supervision and Management Department) promulgated the Rules for Marking Highway Routes and National Roads (GB/T 917-20 17) to replace GB/T 917-2000.
Extended data
Precautions for getting on the expressway:
1, vehicle inspection before driving
Before driving, the driver should conduct a comprehensive inspection of the vehicle, focusing on various oils, tires, braking systems, etc. If there is a shortage of oil, it should be replenished to a reasonable position; The tire should be carefully inspected to remove foreign objects in the tire joints.
2. Adjust the rearview mirror
When the rearview mirror is in the best position, the driver can better observe the situation beside and behind the car, and pay attention to the subtle differences between the adjustment methods of the left and right rearview mirrors.
3. Pack the things in the car
Many drivers are used to putting many pendants and ornaments on the center console. On the one hand, it is easy to block the driver's sight, on the other hand, once they collide, these objects may hurt the driver and passengers.