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Abstract
The main objective that motivated this study is to assess the impact of overloading on operational pavement life in flexible pavement life in flexible pavement and then to evaluate the Egyptian method for overloading fine pricing. This research includes two roads,Cairo Suez road with weighbridge and Zagazig bilbis road without weighbridge. The AASHTO method is applied to calculate the reduction in the pavement operational life on the two roads under various cases of loading, truck type and anmual growth rate. Conclusions can be summarized in the following: 1. Traffic composition is the most effective element in the reduction of pavement life due to overloading. 2. Cairo Suez road with weighbridges and Zagazig bilbis road without weighbridges have similar behavior under different overloading conditions which mean that both roads must have weighbridges. 4. The Egyptian overload fine pricing method does not represent the real impact of overloading on the operational pavement life on roads