目前在大眾交通運輸之相關研究當中，新建之大眾運輸系統(如捷運、輕軌、鐵路等)對於住房市場的影響已經受到廣泛的研究，而針對鐵路進行立體化後與房價變動之關聯討論則較為缺乏。對此本研究以臺中鐵路高架化站點為例，來進行實證研究。
同時過去Chen and Lu(2019)與陳冠穎(2016)在高雄輕軌之研究結果指出，高雄捷運站點上對房價之影響並不符合Alonso (1964)所提出之競租理論(Bid-Rent)，競租理論核心觀點係指在隨著與中心商業區（CBD）的距離增加，不同的土地使用者(商業、住宅、工業、農業)為了能夠靠近市中心，進行彼此的競價，造成越靠近中心商業區（CBD）之租金會越高，呈現一線性關係。而在高雄輕軌之實證顯示越靠近捷運站點之房價會產生一下降趨勢，在一定距離時才會使房屋達到最高價。
過往在利用特徵價格法進行大眾交通建設可及性特徵討論時多僅有考慮到正向外部環境成本所對房價帶來的提升效果，而在其所可能產生的交通擁擠、視覺干擾、噪音干擾等負面外部環境成本卻鮮少納入考慮。對此本研究利用4種型態之特徵價格法：特徵價格法、分段特徵價格法、二次項特徵價格法、三次項特徵價格法，來針對車站站點距離變化與不動產價格變動來進行討論以探討正負向環境外部成本。研究結果顯示發現三次項的模型對於捕捉價格的外部環境成本變動具有最高的模型解釋能力，且對於價格變化的捕捉效果也最佳。在都心與副都心區域、不同站點類型區域的研究實證結果可以發現在火車站點在不同區域之間所對房價造成的非線性影響是不同的，可能跟當地的交通使用習慣不同、火車站點周圍帶來的發展狀況不同以及火車站點所提供可及性程度的不同所導致。
透過4種模型型態的比較比較，再次驗證大眾運輸站點確實有會因為靠近站點而略有下降，且外部環境均衡點在豐原山城副都心檢測出的距離為約為距離車站200~400公尺左右，在第二類站點實證出的距離為約為距離車站300公尺左右。

In the past, when using the hedonic price method to discuss the accessibility characteristics of mass transportation construction, only the effect of increasing the housing price brought by the positive external environmental cost was considered, and the possible traffic congestion, visual disturbance, and noise disturbance caused by it. Other negative external environmental costs are rarely considered.
This study uses four types of hedonic price methods: hedonic price method, segmented hedonic price method, quadratic hedonic price method, and cubic hedonic price method to discuss changes in station distance and real estate price changes. Positive and negative environmental external costs. The results of the study show that the model with the cubic term has the highest model explanatory power for capturing changes in the external environmental cost of prices and is also the best in capturing price changes. The empirical results of the research in the central and sub-duplex areas and areas of different station types can find that the non-linear impact of the railway station on the housing price between different areas is different, which may be different from the local transportation habits, the railway station This is due to the differences in development around the site and the degree of accessibility offered by the train site.

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