Many vehicles on the highway move at speeds below the design speed obviating overtakingmaneuvers by vehicles that move at the design speeds. The paper is an attempt to formulate amodel to determine the minimum overtaking sight distance to be maintained by the slopeascendingovertaking vehicle driver on an inclined double lane divided highway. The vehicle androad user characteristics as well as the vertical road geometry are combined to assess theovertaking distance by formulating a mathematical model that satisfies the laws of the mechanicsof motion.
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