George Avery Grimes Education 1978 BS (Civil Engineering ) University of Illinois at Urbana-Champaign 1994 MS (Civil Engineering ) University of Nebraska 2004 PhD (Civil Engineering) University of Illinois at Urbana-Champaign Previous RailTEC Associations Doctoral Student RailTEC Publications View: Sorted By Type | (Currently viewing) Sorted By Year 2006 Grimes, G.A. and C.P.L. Barkan. 2006. Cost-effectiveness of railway infrastructure renewal maintenance. Journal of Transportation Engineering. 132 (8): 601-608. doi:10.1061/(ASCE)0733-947X(2006)132:8(601).