１９９９年 ,全国公路建设完成投资２１５７亿元 ,新增公路５．８万公里 ,其中高速公路２８２５公里 ,一、二级公路１．２５万公里。新增桥梁隧道４３００座、３０．０８万延米 ,其中５００米以上特大桥梁６３座 ,江阴大桥、海沧大桥等具有世界先进水平的交通重点工程相继建成 In 1999, the national highway construction completed an investment of 215.7 billion yuan and added 58,000 kilometers of highways, of which 2825 kilometers are expressways and 12,500 kilometers are primary and secondary roads. New bridges and tunnels have been added to 4,300 and 30,080,000 meters, of which 63 are over 500 meters of bridges, and some of the world’s most advanced traffic key projects such as Jiangyin Bridge and Haicang Bridge have been completed one after another