Journal of South China University of Technology(Natural Science Edition) ›› 2025, Vol. 53 ›› Issue (11): 62-76.doi: 10.12141/j.issn.1000-565X.240388
• Intelligent Transportation System • Previous Articles Next Articles
DENG Yajuan, SONG Siliang, CUI Liangbin, LI Yu, NIU Xiaolu, WU Qi
Received:2024-07-28
Online:2025-11-25
Published:2025-05-09
About author:邓亚娟(1979—),女,博士,教授,主要从事多模式交通出行研究。E-mail: yjdeng@chd.edu.cn
Supported by:CLC Number:
DENG Yajuan, SONG Siliang, CUI Liangbin, LI Yu, NIU Xiaolu, WU Qi. Research on the Mechanism Influencing the Coupling Coordination Between Road Significance and Traffic State[J]. Journal of South China University of Technology(Natural Science Edition), 2025, 53(11): 62-76.
Table 2
Description of research variables"
| 类别 | 变量 | VIF值 | 描述 |
|---|---|---|---|
| 因变量 | 耦合协调度 | ||
| 道路特征 | 道路等级 | 2.814 | 道路等级,包括快速路、主干路、次干路和支路4个等级 |
| 车道数 | 5.568 | 道路的车道数量,表征道路宽度 | |
| 道路长度 | 2.249 | 道路的长度 | |
| 分隔型式 | 3.053 | 0表示无标线、无物理分隔;1表示标线分隔对向和机非车流;2表示标线分隔对向车流,物理分隔机非车流;3表示物理分隔对向车流,标线分隔机非车流;4表示物理分隔对向和机非车流 | |
| 交通环境 | 交叉口数量 | 1.978 | 道路交叉口数量 |
| 绿化面积[ | 3.094 | 道路沿线20 m缓冲区内的绿化面积 | |
| 公交站点数量 | 3.478 | 道路公交站点数量 | |
| 每千米公交站点数量 | 2.569 | 道路沿线的公交站点数量与道路长度之比 | |
| 土地利用 | 工业用地强度[ | 6.807 | 道路沿线50 m缓冲区内工业用地的面积与50 m缓冲区面积之比 |
| 公共管理用地强度 | 3.305 | 道路沿线50 m缓冲区内公共管理用地的面积与50 m缓冲区面积之比 | |
| 居住用地强度 | 8.636 | 道路沿线50 m缓冲区内居住用地的面积与50 m缓冲区面积之比 | |
| 商业用地强度 | 3.059 | 道路沿线50 m缓冲区内商业用地的面积与缓冲区面积之比 | |
| 土地利用混合度 | 2.073 |
Table 3
Statistical results of the degree of coupling coordination"
| 耦合协调程度 | 介数中心性 | 接近中心性 | 节点度 | 特征向量中心性 | ||||
|---|---|---|---|---|---|---|---|---|
| 频数 | 累积百分比/% | 频数 | 累积百分比/% | 频数 | 累积百分比/% | 频数 | 累积百分比/% | |
| 极度失调 | 23 | 11.44 | 1 | 0.50 | 1 | 0.5 | 1 | 0.50 |
| 严重失调 | 79 | 50.75 | 5 | 2.99 | 2 | 1.49 | 16 | 8.46 |
| 中度失调 | 47 | 74.13 | 13 | 9.45 | 73 | 37.81 | 82 | 49.25 |
| 轻度失调 | 19 | 83.58 | 88 | 53.23 | 65 | 70.15 | 53 | 75.62 |
| 濒临失调 | 13 | 90.05 | 47 | 76.62 | 23 | 81.59 | 21 | 86.07 |
| 勉强协调 | 8 | 94.03 | 23 | 88.06 | 17 | 90.05 | 11 | 91.54 |
| 初级协调 | 8 | 98.01 | 16 | 96.02 | 12 | 96.02 | 9 | 96.02 |
| 中级协调 | 2 | 99.00 | 3 | 97.51 | 3 | 97.51 | 3 | 97.51 |
| 良好协调 | 1 | 99.50 | 3 | 99.00 | 3 | 99.00 | 3 | 99.00 |
| 优质协调 | 1 | 100.00 | 2 | 100.00 | 2 | 100.00 | 2 | 100.00 |
Table 4
Comparison of model effects of four regression methods"
| 回归方法 | 介数中心性 | 接近中心性 | 节点度 | 特征向量中心性 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MAE | MSE | R2 | MAE | MSE | R2 | MAE | MSE | R2 | MAE | MSE | R2 | |
| CatBoost | 0.053 | 0.007 | 0.819 | 0.056 | 0.007 | 0.701 | 0.044 | 0.005 | 0.831 | 0.052 | 0.007 | 0.787 |
| 贝叶斯回归 | 0.050 | 0.005 | 0.815 | 0.053 | 0.006 | 0.670 | 0.047 | 0.005 | 0.765 | 0.060 | 0.008 | 0.674 |
| 多元线性回归 | 0.051 | 0.005 | 0.819 | 0.052 | 0.006 | 0.690 | 0.047 | 0.005 | 0.775 | 0.059 | 0.007 | 0.704 |
| 弹性网络回归 | 0.084 | 0.012 | 0.556 | 0.073 | 0.010 | 0.431 | 0.077 | 0.011 | 0.480 | 0.086 | 0.014 | 0.411 |
Table 5
Results of Sobol global sensitivity analysis"
| 变量名称 | 正向不协调 | 负向不协调 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 交通状态-介数中心性 | 交通状态-特征向量中心性 | 交通状态-接近中心性 | 交通状态-节点度 | 交通状态-特征向量中心性 | ||||||
| ST | 置信区间/% | ST | 置信区间/% | ST | 置信区间/% | ST | 置信区间/% | ST | 置信区间/% | |
| 道路等级 | 0.033 | 0.41 | 0.030 | 0.45 | 0.079 | 0.90 | 0.030 | 0.42 | 0.205 | 0.87 |
| 车道数 | 0.126 | 1.59 | 0.021 | 0.51 | 0.035 | 0.47 | 0.031 | 0.37 | 0.029 | 0.39 |
| 道路长度 | 0.044 | 0.63 | 0.417 | 3.52 | 0.107 | 1.88 | 0.059 | 0.84 | 0.027 | 0.59 |
| 分隔型式 | 0.034 | 0.43 | 0.004 | 0.05 | 0.252 | 0.40 | 0.022 | 0.38 | 0.008 | 0.11 |
| 交叉口数量 | 0.496 | 4.24 | 0.200 | 2.20 | 0.394 | 3.63 | 0.748 | 6.47 | 0.436 | 4.87 |
| 绿化面积 | 0.149 | 1.86 | 0.017 | 0.27 | 0.015 | 0.21 | 0.075 | 0.73 | 0.192 | 2.54 |
| 公交站点数量 | 0.050 | 0.62 | 0.249 | 2.20 | 0.006 | 0.09 | 0.023 | 0.30 | 0.033 | 0.41 |
| 每千米公交站点数量 | 0.012 | 0.16 | 0.007 | 0.08 | 0.011 | 0.13 | 0.023 | 0.40 | 0.024 | 0.35 |
| 工业用地强度 | 0.027 | 0.31 | 0.029 | 0.43 | 0.019 | 0.28 | 0.030 | 0.45 | 0.018 | 0.28 |
| 公共管理用地强度 | 0.052 | 0.57 | 0.025 | 0.31 | 0.096 | 1.13 | 0.042 | 0.52 | 0.068 | 0.72 |
| 居住用地强度 | 0.016 | 0.19 | 0.026 | 0.36 | 0.112 | 1.32 | 0.049 | 0.89 | 0.059 | 2.36 |
| 商业用地强度 | 0.004 | 0.05 | 0.004 | 0.04 | 0.010 | 0.18 | 0.011 | 0.19 | 0.015 | 0.25 |
| 土地利用混合度 | 0.027 | 0.29 | 0.063 | 0.63 | 0.034 | 3.83 | 0.069 | 1.09 | 0.030 | 0.39 |
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