Combining with domestic highway widening status,the article specifically discusses several major domestic highway widening meth-ods,and puts forward some matters needing solving in highway widening engineering with a view to promote the fast development of domestic highway widening engineering.%结合我国公路改扩建的现状，对我国高速公路拓宽改造的几种主要方式进行了详细论述，提出了公路改扩建工程中亟待解决的问题，以促进高速公路拓宽改造工程的迅速发展。
展开▼
