Yangmao Expressway is a section of the national highway main line Shen (Shenyang) Hai (Haikou) Expressway G15 in Guangdong Province. The route starts from Baisha Town, Yangjiang City and passes through Dianbai of Yangdong County, Yangxi County and Maoming City. The district ends at Guanzhu Town, Dianbai District, Maoming City, with a total length of 79.76 kilometers. The whole line of the project adopts the highway standard construction in the hilly area, the subgrade width is 28 meters, the two-way four-lane, the asphalt concrete pavement, and the designed driving speed is 120 km/h. The final project completion account is 2.258 billion yuan, and the cost per kilometer is 28.31 million yuan. There are five ramp toll stations in Chengcun, Zhizhu, Xinxu, Mata, Guanzhu and one service area (Yangxi Service Area) on the whole line.
| category | Vehicle Type | Number of persons approved | instruction |
|---|---|---|---|
| Class 1 | Micro, small | 9 | Passenger cars with a length less than 6000mm and an approved number of passengers not more than 9 people |
| Type 2 | Medium | 10-19 | Passenger cars with a length less than 6000mm and an approved number of (10-19) people |
| Class 3 | Passenger car train | - | - |
| Type 4 | Large | 39 | Passenger cars with a length not less than 6000mm and an approved number of passengers not more than 39 people |
| Category 5 | ≥40 | Passenger cars with a length of not less than 6000mm and an authorized capacity of not less than 40 people |
| category | Total shaft number (including suspension shaft) | Vehicle length and maximum allowable total mass | Charge factor |
|---|---|---|---|
| Class 1 | 2 | The length of the vehicle is less than 6000mm and the maximum allowable total mass is less than 4500kg | 2 |
| Type 2 | 2 | The length of the vehicle is not less than 6000mm or the maximum allowable total mass is not less than 4500kg | 2.1 |
| Class 3 | 3 | 3.16 | |
| Type 4 | 4 | 3.75 | |
| Category 5 | 5 | 3.86 | |
| Category 6 | 6 | 4.09 |
| category | Total shaft number (including suspension shaft) | Vehicle length and maximum allowable total mass | Charge factor |
|---|---|---|---|
| Class 1 | 2 | The length of the vehicle is less than 6000mm and the maximum allowable total mass is less than 4500kg | 2 |
| Type 2 | 2 | The length of the vehicle is not less than 6000mm or the maximum allowable total mass is not less than 4500kg | 2.1 |
| Class 3 | 3 | 3.16 | |
| Type 4 | 4 | 3.75 | |
| Category 5 | 5 | 3.86 | |
| Category 6 | 6 | 4.09 |
