Research on optimized design of road space in mixed sections of historical district: a case study of Xi’an, China

Abstract

To solve the problems existing in most Chinese historic districts, such as incomplete traffic network planning and unreasonable spatial layout, this paper analyzes the spatial characteristics of motor vehicles in the mixed road section of a historical district and summarizes the application conditions and shortcomings of the model for calculating the Bolankerf lane width and re-calibrates the parameters of the model with the survey data, to determine the formula for calculating the width of motor lanes in different sections of roads. Furthermore, this paper establishes a game model of road space optimization for mixed sections of motor vehicles and non-motor vehicles with the goal of minimizing the generalized travel cost. Finally, by taking the Xiangzimiao historic district as the verification object, this paper draws from the Bolankerf model and the game model to determine the most reasonable road space division plan within blocks.

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