Jayaratne, D.N.D.Jayasinghe, P.W.P.R.Pasindu, H.R.2018-07-042018-07-042016Transactions - 2016 PART B Technical Papers:p.367-374https://dl-iesl.nsf.gov.lk/handle/1/844Evaluation of Level of Service for Two-Lane Roads in Sri LankaArticle