A. Al Farabi and T. Chakraborty 2020. A Study on the Default Supplemental Adjustment Factors of Progression Adjustment Factor Formula under Non-Lane Based Traffic Condition. Proceedings of the International Conference on Civil Infrastructure and Construction (CIC) . 2020, 1 (Apr. 2020), 477–486. DOI:https://doi.org/10.29117/cic.2020.0060.