1. Influence of stopped delay on driver gap acceptance behaviour;Adebisi;Journal of Transportation Engineering,1989
2. Analysis of traffic conflicts and collisions;Allen,1977
3. Proceedings of first workshop on traffic conflicts;Amundsen,1977
4. Some observations of driver gap acceptance behaviour at a priority intersection;Ashworth;Traffic Engineering and Control,1977
5. Vehicle speed estimation at right-angled at-grade junction;Brian;Surveyor and Municipal and County Engineer,1962