published journal article Digital imaging concepts and applications in pavement management Journal of Transportation Engineering Publication Date May 1, 1990 Author(s) Stephen Ritchie View published journal article Suggested Citation Stephen G. Ritchie (1990) “Digital imaging concepts and applications in pavement management”, Journal of Transportation Engineering, 116(3), pp. 287–298. Available at: 10.1061/(asce)0733-947x(1990)116:3(287).