Small Urban Transportation System Layout Optimization Theory And Methods

The development of small tows being one important part of urbanization strategy, it is urgent to study plan technique of roads between small towns, so as to provide guides for roads construction. First the thesis analyze urbanization in China systemically, and definite meanings of small towns. In succession the thesis discusses regional towns developing modes and patterns from economic geography, then according to different points of view, the thesis explains evolving procedure and functional mechanism between small towns and outside system, in this way, offers a basement for means of roads optimization. Foremost the thesis put forward one important index, town accessibility, and analyzes mechanisms among accessibility, roads and towns. So accessibility model can support optimization of regional town roads system. In the end the thesis set up one road planning means linked to node weighty and put it into practice.