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在新型城镇化战略建设下，全国各城市轨道交通网络线路逐步建成和完善。开通城市轨道交通为沿线住宅和设施带来无形的价值，对城市规划和布局产生了影响。就依托轨道交通做卖点的房地产企业而言，轨道交通建设通过改变住宅项目与生活资源之间的关联性而改变地价，进而促使沿线住宅项目销售价格上升，使得沿线住宅价格明显高于非沿线住宅。城市轨道交通对不同范围内住宅的影响程度不同，并且每个住宅都有不同的特征和功能，所以表现在市场上的住宅价格不尽相同。本文重点探讨城市轨道交通对沿线住宅价格的影响机制以及沿线住宅价格包含的具体特征因素，最后达到对沿线住宅价值评估的目的。

本文阐释了城市空间结构理论、区位理论等基础理论，详细介绍了特征价格法相比传统房地产评估方法的优势及适用性，收集大量兰州轨道交通沿线住宅数据作为样本库，根据可达性相等模型测算兰州轨道交通对周边住宅产生影响的辐射范围，考虑住宅所处地段、周边学校、商场、医院等情况，确定影响住宅价格的重点特征因素作为自变量，因变量是房产交易网站上二手房的挂牌价格，结合拓展的特征价格模型函数形式，利用SPSS软件多元回归分析并构建出轨道交通沿线住宅的特征价格模型。最后，将选择的东瓯逸璟小区的住宅数据量化，代入模型进行测算，得出该住宅的具体价值。 

根据本文的研究分析，得出以下结论：（1）兰州轨道交通1号线对沿线住宅产生影响的辐射范围达到1.8km，对沿线住宅的价格造成积极影响，住宅到轨道交通站点的距离每缩短1km，住宅单价平均上升1229元/平方米。（2）根据本文构建的沿线住宅特征价格模型测算，兰州市东瓯逸璟小区的住宅单价为14508.16元/平方米，总价为152.3万元，与房产交易网站挂牌价格实时存在差异，结合当下的房地产市场环境，认为该差异是可以接受的，特征价格模型评估住宅价值是可行的。基于本文研究，利用特征价格法对地铁因素深入分析并构建特征价格模型测算沿线住宅价值具有实际经济意义，期望本文研究能够为城市轨道交通沿线住宅价值评估方法提供新思路，为轨道交通沿线住宅的经济价值判断提供参考依据，促进轨道交通与房地产综合开发。

Under the new strategy of urbanization construction, urban rail transit network all over the country gradually built and perfected. Opened along the urban rail transit for housing and infrastructure to bring the value of the intangible, the influence on city planning and layout. Relying on rail transportation as selling real estate companies, by changing the orbit transportation construction of residential projects and life resources change the connection between the land price, which leads along the residential sales price rise, along the rail transit along the housing price is significantly higher than other houses. Within the scope of urban rail transit to different housing the influence of different factors and specific features of each house has a difference, so the performance of the housing price is not the same in the market. This paper discusses the mechanism of urban rail transit impact on housing prices along the route and specific features of residential prices include factors, finally achieve the goal of value evaluation research for along the housing.

This paper for the urban spatial structure theory, location theory, such as discussion, then introduced equal accessibility model and characteristics of the price application principle, steps and the applicability of the model.
Then collect data of Lanzhou city residential area along the metro line 1 as sample library, measure of rail transit can impact on the surrounding residential radiation range, consider residential area, perimeter, schools, shopping malls, hospitals, etc., determine the key characteristics of factors affecting housing prices, housing listed price as the dependent variable and selecting appropriate price variable characteristics, combining with the characteristics of specific functions in the form of price model to investigate the characteristics and development construct along the metro lines residential price model. Finally, select the specific residence case data generation into the model calculation, it is concluded that the specific value of the house.

According to the research and analysis of this article, the following conclusions: (1) the Lanzhou city metro line 1 affect residential along the radiation range of 1.8 km, at the same time, the Lanzhou city rail transit has significant positive impact on the housing prices along the, housing the distance from the subway each reduced by 1 km, house prices rose by an average of 1229 yuan per square meter. (2) According to the calculation, this paper selected a representative case of Lanzhou city, the residential unit price is 14508.16 yuan per square meter, the total price is 1.523 million yuan , with real estate websites listed price differences between real-time, combined with the current real estate market environment, thinks that the difference is acceptable, so this article characteristic housing prices model calculation value is feasible, has practical significance. Based on this study, using the characteristics of the price law of the subway factors in-depth analysis and build characteristic along the price model to measure housing value has theoretical significance and practical significance, this study is expected to for urban rail traffic along residential value evaluation method provides a new train of thought, of the residence along the subway economic value judgment, provide a reference basis, promote the rail transit and real estate comprehensive development.