The Austrian NOVOPHALT modified bitumen technique was used on Capital International Airport Expressway. 2% SBS and 4% PE were used as asphalt additives to HuanXiLing bitumen.

• 首都机场高速公路采用奥地利的NOVOPHALT改性沥青技术，用2%25SBS＋4%25PE改性欢喜岭沥青。