Expressway lane sign

Provincial highway is also called provincial trunk highway. In road signs, provincial roads start with the letter S, such as provincial roads S 10 1, with black font and yellow background, which is very easy to identify. The provincial highway is an open road.

National highway

National highway is a trunk highway connecting important areas of the country and plays a skeleton role in the highway network. The national highway starts with the letter G in the road sign representation, such as G 104 national highway, with white font and red background, which is also very eye-catching. Like the provincial highway, the national highway is also an open road.

If the first number after g is 1, it refers to the national highway that starts from Beijing and spreads radially. The number 2 is the north-south national highway. The number 3 is the east-west national highway.

highway

Expressway belongs to high-grade highway and fully enclosed road, and its traffic speed is much higher than that of national highway and provincial highway. In signboards, expressways and national highways begin with the letter G, such as G2 expressway, and provincial expressways begin with S, such as S30 expressway. , all in white font, green background, with red or yellow stripes (yellow is dart).

After G, only 1 digit represents the high-speed from Beijing, and 2 digits are the east-west or north-south high-speed.

Common signs of high speed

Haigang parking area

You can take a short rest in the harbor parking area, but to ensure safety, it is best to turn on the double flashing lights to remind other vehicles, especially at night.

Distance reference sign

When driving on the highway, the most important thing is to keep a distance from the car in front. Of course, the current vehicles have not been popularized to have the function of distance warning. Therefore, with the help of the distance warning signs displayed by the roadside, the distance from the vehicle in front can be well grasped, and vehicle accidents caused by too close distance can be avoided.

Interval speed sign

Interval speed measurement refers to arranging two adjacent speed measuring points on the same road section, calculating the average speed of the vehicle on the road section by measuring the time before and after the vehicle passes through the two speed measuring points, and judging whether the vehicle is speeding according to the speed limit standard on the road section. For example, in an interval speedometer, it takes 120 km/h to complete this road. If you complete this section in less than 10 minutes, it means that you have exceeded the speed limit.

Distance reference sign

You can generally check it at the guardrail on the side of the road. There will be a sign every kilometer at the guardrail. You can know the approximate distance position on the expressway by the numbers on the sign. When you break down on the highway or need help for other reasons, you can know your position faster.

Toll station prompt

When the traffic volume is not large, the toll window of the toll station will not be fully opened. Whether the information is opened or not is reflected on the display screen at the top of the toll station. A red cross indicates that it is not open. Everyone should make a judgment after observing in advance, so as not to drive into the unopened channel and cause inconvenience to themselves.

Destination information

This is a relatively common sign. The distance between our location and the key cities where the expressway passes will be reminded and marked regularly. We can know the destination distance information through these tips, and make plans for arrival time, rest and refueling in advance.