Development Level of Analysis for Road Cost Models

Jamshid Sodikov


The importance of accurate estimates during the early stages of infrastructure projects has been widely recognised for many years. In an early estimation there is a compromise between the amounts of information available and accuracy of estimation. In this paper three levels of analysis were proposed such as regional, country and project levels for road cost models in order to provide an efficient data usage. The data for our research were obtained from the World Bank’s ROCKS database, which contains unit costs for road projects from over 80 developing countries.


road cost model; unit cost; cost; level of analysis; project

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ROCKS. Road Costs Knowledge System (v. 2.2), The World Bank, Transport Unit – TUDTR, 2004. http://www.worldbank.or g/transport/roads/rd_tools/ rocks_main.htm, accessed in March 1, 2006.

Schexnayder, C. J.; Mayo, R. E. Construction Management Fundamentals, McGraw-Hill Higher Education, Boston, MA, 2003.

Flyvbjerg, B. H.; Mette, S.; Buhl, S. Underestimating Costs in Public Works Projects, Error or Lie. Journal of the American Planning Association, Vol 68, No 3, 2002, p. 279–292.

Levinson, D.; Karamalaputi, R. Predicting the Construction of New Highway Links. Journal of Transportation and Statistics, Vol 6 (2/3), 2003, p. 81–89.

Buys, P.; Deichmann, U.; Wheeler, D. Seminar at Center for Global Development, 2006. doc/event%20docs/Trans–Africa%20Network%20 (Color%20Version).pdf, accessed in April 1, 2006


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