期刊名称:International Journal of Advances in Engineering and Management
电子版ISSN:2395-5252
出版年度:2020
卷号:2
期号:1
页码:439-444
语种:English
出版社:IJAEM JOURNAL
摘要:Expressways are a special elevated class of highways which must have the following characteristics which separate them from other class of highways ,the main features being : fencing , access control , grade separations and divided highways .