All signs in expressway include speed limit information signs, destination information signs, toll station traffic signs, distance reference signs, tunnel warning traffic signs and escape lane signs.

1. expressway number signs.

expressway is a high-grade highway, which is completely closed, and the traffic speed is the highest highway level in China. Expressway is divided into national and provincial levels, and there are corresponding Chinese characters besides the numbers of capital letters and numbers. Such as G31: Lianhuo Expressway and S28: Kaiyang Expressway.

second, high and low speed limit signs on road sections.

the speed limit sign is set at the beginning of the speed limit section, and its main function is to tell the driver what the maximum speed limit and the minimum speed limit are for the section you are about to enter, and it shall not exceed the maximum speed indicated by the speed limit sign and shall not be lower than the minimum speed limit. Above the maximum speed limit of 11%, or below the minimum speed limit of 11%, you will be fined and deducted points.

three, lane and speed limit information signs.

as the name implies, the speed limit in expressway is implemented by vehicle type and lane, that is, the vehicle type corresponding to the corresponding lane and the corresponding high and low speed limit, and the high and low speed limit of each lane is not the same. In addition, the rightmost emergency lane is prohibited from being occupied by any vehicle in a non-emergency state.

iv. road and bridge tunnel signs.

The information of the signs of expressway Bridge and Tunnel generally includes the name, length, height, bearing capacity, speed limit, no overtaking signs and how to use light tips.

It is worth noting that the speed limit of expressway Bridge section is basically the same as that of the main section, but the tunnel section will be reduced, and the basic top speed is about 81 per hour. This is also caused by a particularity of tunnel sections.

five, service area notice signs.

the sign of expressway service area in the street sign is represented by the capital letter p, and it is very easy to identify with the pictures representing different types in the service area. Service areas generally provide catering, refueling, toilets, small supermarkets, repair shops and other services that travelers may need, and there is usually a service area every 51 kilometers or so.