1. Multiple perspectives;Cartes,2002
2. Coordination of horizontal and vertical alignment with regard to highway esthetics;Smith;Transp. Res. Rec. J. Transp. Res. Board,1994
3. A study to improve the safety of expressways by desirable combinations of geometric alignments;Mori,1995
4. Effects of horizontal curvature on driver visual demand;Wooldridge,2000