Author

Abstract

A new approach to calculate the delay time on roads due to the deterioration of the Level Of Service (LOS) was adopted. The approach bases on the daily traffic volume and road volume capacity. The time value was accordingly estimated based on direct and indirect costs and then compared to the cost of the LOS improvement. The results of comparison were demonstrated through figures and tables The purpose of this research was to provide decision maker with necessary and optimum way decide on whether maintanence or road exteusion is proper solution when los is deteriorated
The comparison has shown that time value curves intersect cost of construction a maintanence at LOS then we shall know the boundary to improve. LOS by construction new line, upgrading low LOS roads depends on both the daily traffic volume and the present LOS of the road.