2[2]Boarnet M,Kim E.Measuring Traffie Congestion.In Transportation Research Record,No 1634:Journal of Transportation Research Board series,TRB,National Research Council[C].Washington,D.C.,1998:93-99.
3[3]Lindley J.A Methodology for Quantifying Urban Freeway Congestion[M].Transportation Research Board,1987:1-7.
4[5]Turner S,Lomax T,Levinson H.Measuring and Estimating Congestion Using Travel Time-Based Procedures.In Transportation Research Record,No 1564:Journal of Transportation Research Board series,TRB,National Research Council[C].Washington,D.C.,1996:11-19.
5[6]Turner S,Holdener D.Probe Vehicle Sample Sizes for Real-Time Information:Tbe Houston Experience.Proceedings of the Vehicle Navigation and Information System Conference[C].Seattle:IEEE,1995:3-10.
6[7]Robert R,Theodore F.Contrasting the Use of Time-Based and Distance-Based Measures to Quantify Traffic Congestion Levels:An Analysis of New Jersey Counties.The 81th Annual Meetings of the Transportation Research Board[C],Washington,D.C.,2002.
