Sitaula, Prakash Chandra, Gopal Gautam, and Nhuja Bajracharya. 2026. “ Evaluating the Impact of Pavement Surface Condition on Vehicle Speed and Vehicle Operating Cost: A Case Study of Prithvi and B.P. Highways”. Journal on Transportation System and Engineering 2 (1): 25-38. https://doi.org/10.3126/jotse.v2i1.97154.