The type of heavy traffic road asphalt is heavy traffic asphalt.

1. Heavy traffic asphalt is produced by regular vacuum distillation of crude oil or oxidation and blending of the residue. It can also be produced by solvent deasphalting process and blending method. It can also be used as raw material for emulsified asphalt and diluted asphalt. Products are divided into five grades according to penetration: 50#, 70#, 90#, 110#, and 130#.

2. Heavy traffic asphalt is suitable for paving asphalt pavement on roads with medium and heavy traffic volume.

3. Heavy traffic roads Petroleum asphalt is mainly used on highways and heavy traffic roads. This type of asphalt refers to roads with a daily throughput of more than 500 heavy vehicles with a rear axle weight of 10t, or a road with a daily throughput of more than 5,000 vehicles with a rear axle weight of 4t.