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浙江大学学报(理学版)  2022, Vol. 49 Issue (3): 376-383    DOI: 10.3785/j.issn.1008-9497.2022.03.015
城市科学     
TOD中“T”与“D”因素对小汽车出行距离的减量影响
邓一凌()
浙江工业大学 设计与建筑学院,浙江 杭州 310023
The effects of "T" and "D" factors of TOD on reducing the car kilometers traveled
Yiling DENG()
School of Design and Architecture,Zhejiang University of Technology,Hangzhou 310023,China
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摘要:

国内以公共交通为导向的开发(transit-oriented development,TOD)研究大多集中在规划实践领域,对于TOD能在多大程度上降低城市居民小汽车出行距离依然有待明确。基于南京市城市居民出行调查数据,采用家庭所在地800 m范围内有无地铁站点定义TOD中“T”因素,以综合密度、混合度、步行评分作为“D”因素。在控制个人社会经济属性和家庭所在地位置因素的基础上,建立Tobit模型,研究TOD对居民小汽车出行距离的减量影响。通过划分TOD、only-T、only-D、non-TOD等4类家庭居住地,分析边际效应发现,当“T”因素从无地铁站点变为有地铁站点时,小汽车出行距离降低19.6%;“D”因素每增加0.01,小汽车出行距离平均下降0.7%;当“T”与“D”因素综合作用时,小汽车出行距离下降43.4%。依据上述研究结论,提出从only-T向TOD、从non-TOD向only-D转变的规划建议。

关键词: 以公共交通为导向的开发小汽车出行距离步行评分Tobit模型边际效应    
Abstract:

Most of the studies on transit-oriented development TOD in China were focused on planning practice, and to what extent TOD can reduce the urban residents' car kilometers traveled was unclear. Based on the Nanjing household travel survey data, the "T" factor of TOD was defined by whether there was a subway station within the distance of 800 m from the household residence; the "D" factor of TOD was defined by residence density, mix, and walk score. After controlling for socioeconomic and home location factors, a Tobit model was proposed to study the effect of TOD on reducing the urban residents' car kilometers traveled. By classifying four residence types (i.e., TOD, only-T, only-D, and non-TOD) and analyzing the marginal effects, we found that the car kilometers traveled decreases by 19.6% when the "T" factor changes from no subway station to one subway station; and it decreased by 0.7% for every 0.01 increase in the "D" factor; the car kilometers traveled decreased by 43.4% if the effect of both "T" and "D" were combined. Based on the above findings, it was suggested that the planning studies should shift from only-T to TOD and from non-TOD to only-D.

Key words: TOD    car kilometers traveled    walk score    Tobit model    marginal effect
收稿日期: 2021-03-18 出版日期: 2022-05-24
CLC:  TU 984.191  
基金资助: 浙江省哲学社会科学规划课题(19NDQN351YB);国家自然科学基金面上项目(51978617)
作者简介: 邓一凌(1987—),ORCID:https://orcid.org/0000-0002-6245-0352,男,博士,副教授,主要从事城市交通规划研究,E-mail:yiling@zjut.edu.cn.
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引用本文:

邓一凌. TOD中“T”与“D”因素对小汽车出行距离的减量影响[J]. 浙江大学学报(理学版), 2022, 49(3): 376-383.

Yiling DENG. The effects of "T" and "D" factors of TOD on reducing the car kilometers traveled. Journal of Zhejiang University (Science Edition), 2022, 49(3): 376-383.

链接本文:

https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2022.03.015        https://www.zjujournals.com/sci/CN/Y2022/V49/I3/376

变量系数tp边际效应
常数项-6.392-4.6500.000 ***
控制变量家庭学龄前儿童数2.3923.8390.000 ***0.250
家庭中小学生数1.9883.9720.000 ***0.208
家庭非机动车数-2.278-10.0440.000 ***-0.238
家庭所在地到新街口的距离
是否有驾照(有,参照标准为无)13.40218.3410.000 ***1.399
是否有公交卡(有,参照标准为无)-2.631-4.8440.000 ***-0.274
家庭年收入(中等,参照标准为低)5.8477.9860.000 ***0.610
家庭年收入(高,参照标准为低)9.37910.4460.000 ***0.979
性别(女,参照标准为男)-3.009-6.0780.000 ***-0.314
受教育程度(高,参照标准为低)0.9491.7540.079 *0.099
工作类型(上班,参照标准为其他)3.2793.1360.002 **0.342
工作类型(上学,参照标准为其他)7.6796.5650.000 ***0.802
TOD变量T-1.881-2.8790.004 **-0.196
D-6.716-4.8380.000 ***-0.701
表1  模型参数估计
图1  4类家庭的空间分布底图来源于南京市地理信息公共服务平台(网址为http://jiangsu.tianditu.gov.cn/nanjing/index/page/index.html),审图号:宁S(2020)012号,底图无修改。
图2  4类家庭的典型居住地建成环境
家庭类型小汽车平均出行距离/mT值平均D值家庭数量(比例/%)个人数量(比例/%)
TOD1 31810.57202(10.8)556(10.7)
only-T2 32410.26162(8.6)451(8.7)
only-D1 69200.58368(19.6)1 010(19.4)
non-TOD3 34700.231 147(61.0)3 184(61.2)
表2  4类家庭的小汽车平均出行距离
图3  不同情景下TOD对小汽车出行距离的影响
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