2021 Issues Vol. 9, No. 1 2020 Issues Vol. 8, No. 2 Vol. 8, No. 1 2019 Issues Vol. 7, No. 3 Vol. 7, No. 2 Vol. 7, No. 1 2018 Issues Vol. 6, No. 3 Vol. 6, No. 2 Vol. 6, No. 1 2017 Issues Vol. 5, No. 3 Vol. 5, No. 2 Vol. 5, No. 1 2016 Issues Vol. 4, No. 3 Vol. 4, No. 2 Vol. 4, No. 1 2015 Issues Vol. 3, No. 3 Vol. 3, No. 2 Vol. 3, No. 1 2014 Issues Vol. 2, No. 3 Vol. 2, No. 2 Vol. 2, No. 1 2013 Issues Vol. 1, No. 1 2020 2020 Volume 8, Number 2, 2020 December Performance Evaluation of Road Network: A Case Study of Ayat-Megenagna Roads of Addis Ababa City, Yalelet E, Madiha Bencekri and Ku Dong-gyun (pp. 1-14). Application of Extreme Learning Machines to Vehicle Emissions Model, Daehyon Kim (pp. 15-22). Tourist Hotspot Clustering and Explanatory Analysis using Multidimensional Data Sources: Case Study of Jeonju-City, South Korea, Yohan Chang (pp. 23-38). Developing Single-Regime Traffic Flow Models for Queen Alia Airport Road, Ibrahim Hashim Khliefat (pp. 39-48).