1. Xu, H., 2009. Research on Analysis and Evaluation Method of Highway Maintenance Work Zone Safety,Xian, Chang’an University.
2. Analysis of the Level and Quality of Highway Maintenance Management;Chen;Global Market Information Gulde,2015
3. Liu, Y.L., Hu W.X., 2013. Analysis and Countermeasures of the Current Situation of Highway Maintenance Management. Journal of Hebei Jiaotong Vocational and Technical College, 02, 34-36+39.
4. Study of Speed Patterns in Work Zones;Virginia,1999
5. Analytic Hierarchy Process,Beijing;Wang;China Renmin University Press,2012