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Roundabouts are quite effective as junction control measures; reducing crashes by eliminating certain conflict points and managing capacity by virtue of its self-regulating ability. Amongst other forms of circulatory carriageway markings, spiral markings have been acknowledged as a way of reducing a driver's decision-making responsibilities and leading drivers to their choice exit lanes hence improved safety. Considering the debate on roundabouts, a question comes to mind; "what proportion of drivers contravene the principles of lane discipline which several authors claim to be the highlight of spiral markings?" It was on this premise that this research was borne with specific objectives of observing the lane discipline at Sheriffhall roundabout, Midlothian, Edinburgh, United Kingdom. This was achieved by installation of video cameras at strategic locations around the circulatory carriageway of the roundabout, with an observational study (survey), analysis of same considering class of vehicles, traffic and light conditions being carried out. The results revealed very interesting trend.
About the author
Ezenwa Amanamba est un intellectuel solide, un ingénieur civil nigérian qui a beaucoup voyagé et qui a acquis des connaissances en matière de planification des transports en Afrique et en Europe continentale. Il est l'auteur d'un bon nombre d'articles de journaux. Ezenwa est conférencier et associé principal de MacKudos Engineering (un cabinet d'ingénierie à croissance rapide basé dans l'est du Nigeria).
Summary
ALL YOU NEED TO KNOW TO BE A PRINCESS --
OR
JUST LIVE LIKE ONE
Compiled by
MIA THERMOPOLIS
aka
Princess
Amelia
Mignonette
Grimaldi
Thermopolis
Renaldo
of Genovia
