空間構造と利⽤者⼼理を踏まえた安全・安⼼な⾃転⾞通⾏空間整備⽅策に関する研究
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12345678910111213141516171819平均事故件数(推定、件/年/km)区間ID現状0.511.250.770.800.520.771.390.001.051.391.450.001.240.600.830.230.701.820.540.83最左⾞線+路肩幅員を0.25m拡幅し、歩道幅員を0.25m縮⼩最左⾞線+路肩幅員を0.5m拡幅し、歩道幅員を0.5m縮⼩1.541.090.670.700.460.671.211.750.921.221.270.001.770.520.730.200.621.590.470.921.350.950.590.610.400.591.061.530.801.071.111.491.550.460.640.180.541.390.410.88現状からの変化量(件/年/km)最左⾞線+路肩幅員を0.75m拡幅し、歩道幅員を0.75m縮⼩最左⾞線+路肩幅員を1m拡幅し、歩道幅員を最左⾞線+路肩幅員を0.25m拡幅し、歩道幅員を0.25m縮⼩1m縮⼩1.180.840.510.540.350.520.931.340.700.930.981.311.360.400.560.150.471.220.360.771.040.730.450.470.310.450.811.170.610.820.851.141.190.350.490.130.411.070.320.68最左⾞線+路肩幅員を0.5m拡幅し、歩道幅員を最左⾞線+路肩幅員を0.75m拡幅し、歩道幅員を0.75m縮⼩0.5m縮⼩1.03-0.16-0.10-0.10-0.06-0.10-0.171.75-0.13-0.17-0.180.000.53-0.07-0.10-0.03-0.09-0.23-0.070.080.84-0.29-0.18-0.19-0.12-0.18-0.321.53-0.24-0.32-0.341.490.31-0.14-0.19-0.05-0.16-0.42-0.130.05最左⾞線+路肩幅員を1m拡幅し、歩道幅員を1m縮⼩0.67-0.41-0.25-0.26-0.17-0.25-0.461.34-0.34-0.46-0.481.310.12-0.20-0.27-0.08-0.23-0.60-0.18-0.060.52-0.51-0.32-0.33-0.22-0.32-0.571.17-0.43-0.57-0.601.14-0.05-0.25-0.34-0.09-0.29-0.75-0.22-0.16表 5-3 ⾞道・歩道の空間再配分による⾃転⾞関連事故の変化(推定) 図 5-5 ⾞道・歩道の空間再配分により⾃転⾞事故の削減が期待できる区間 35

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