1. Global Status Report on Road Safety 2018;World Health Organization,2018
2. Driving speed and the risk of crashes: a review;Aarts;Accid. Anal. Prev.,2006
3. The Speed Review: Road Environment, Behaviour, Speed Limits, Enforcement and Crashes;Fildes,1993
4. Travelling Speed and the Risk of Crash Involvement on Rural Roads;Kloeden,2001
5. 2010 Annual Report, Policy, Research and statistics Department;Federal Road Safety Corps (FRSC),2010