精选优质文档-倾情为你奉上Vision Zero Implementing a policy for traffic safetyThe scope of this paper is to outline, in a general way, the safety philosophy inherent in present road- and street design, trace the origin of this philosophy, and to present the principles for a new design of streets and roads. It will be argued that deficiencies in the present road design philosophy are the main cause of the global road safety crisis, clearly indicating its man-made nature. A brief description is made