论文部分内容阅读
原有高速公路拓宽作为缓解交通压力的一种措施,其优势是节约占地、投资少等。对杭甬高速公路拓宽施工情况进行了简要介绍,供参考。
The original freeway widening as a measure to ease traffic pressure, the advantage is to save land, less investment. On the Hangzhou-Ningbo Expressway to expand the construction of a brief introduction for reference.