公共空间室内通道的研究.pdf

11th ACUUS Conference: “Underground Space: Expanding the Frontiers”, September 10-13 2007, Athens - Greece Extensions of Indoor Walkways into the Public Domain - A Partnership Experiment Michel Boisvert Institut d’urbanisme, Université de Montréal, Canada ABSTRACT Downtown areas in large cities can reach such a high density of activities and user flows that the planning of pedestrian infrastructures raises major pr oblems. Accordingly, in order for the walkways between public transportation and final destinations to be as efficient and safe as possible, alternate passages have been built as connected segments be tween private properties. Over time, these have become indoor pedestrian networks, some of them mostly underground, and today RÉSO in Montréal and PATH in Toronto are seen by many as unique assets for the future of their respective downtown areas. This presentation aims at a preliminary assessment of the partnership that has been experienced between the property owners and also between the private sector and the municipal authorities in extending indoor walkways into the public domain. Emphasis is put on the various ways the cost involved has been allocated between all concerned private parties and on the rationale for public financial support, when it applied. 1. INTRODUCTION According to the Observatoire de la ville intérieure 1, an indoor city is a set of mostly high-rise buildings which belong to distinct property owners and meet a diversity of functions, namely public transportation, shopping, office work and leisure activities, and are connected by interior walkways where the utilization of segments within the public domain, under or above the streets, is settled by an agreement with the municipal authorities. Except for some current and upcoming Ch