3Kim T, Lovell D J, Paracha J. A new methodology to estimate capacity for freeway work zones. Proc., 2001 Transportation Research Board Annual Meeting, Washington,D.C. 2001
4Dudek C L,Richards S H. (1982) Traffic capacity through urban freeway work zones in Texas. Transportation Research Record 869,1982. 14～18
5Richard S H, Dudek C L.Im-plementation of work-zone speed control measures. Transp. Res. Rec. 1086, Transportation Research Board, Washington, D.C.,1986.36～42
