Journal of Construction Engineering and Management, vol. 132, no. 5, page. 465 - 472, 2006-05
Journal of Transportation Engineering, vol. 132, no. 10, page. 808 - 816, 2006-10
Journal of Construction Engineering and Management, vol. 131, no. 12, page. 1283 - 1291, 2005-12
Journal of the Transportation Research Board, no. 1907, page. 15 - 24, 2005-01
Journal of the Transportation Research Board, no. 2227, page. 23 - 32, 2011-01