1. Erick N (2013) Traffic jam and its social impacts: the case of Dar Es Salaam City. MSC thesis , Institute of Development Studies Mzumbe University.[available on line]. http://scholar.mzumbe.ac.tz/bitstream/handle/11192/800/MSc-DP-%20Dissertation-Erick%20Nelson-2013.pdf?sequence=1
2. Carson J (2010) Best practices in traffic incident management. Report 9WA-HOP-1—050, FHWA, U.S. Department of Transportation. https://doi.org/10.1080/19439962.2016.1199623
3. Angela K, R. Irina, and Jesuk, K. Towards automated road information framework. A case study of Tanzania. Transport and telecommunication (15)(1)pp, 12–19 Transport and Telecommunication Institute, Lomonosova 1, Riga, LV-1019, Latvia. https://doi.org/10.2478/ttj-2014-0002
4. OECD Organization for Economic Cooperation and Development. Better use of infrastructures to reduce environmental and congestion costs. In: OECD Economic Surveys: Belgium 2013. OECD Publishing, Paris, pp 11–13
5. Das D, Keetse M. Assessment of traffic congestion in the central areas (CBD) of South African cities-a case study of Kimberley City. Proceedings of the 34th Southern African Transport Conference (SATC 2015). ISBN Number: 978–1–920017-63-7