Bino I Koshy, Jeena PradeepĪbstract -Engineering economic analysis applies economic concepts and methods to engineering problems to support decisions on a best course of action. ISSN 2229-5518 Calibrating Road User Cost Model in HDM-4 for Conditions Prevailing in India – A Case StudyĪswathy Das A, Dr. International Journal of Scientific & Engineering Research, Volume 4, Issue 9, September-2013 1464 Calibrating Road User Cost Model in HDM-4 for Conditions Prevailing in India – A Case Study