Research Article
An Improved Car-Following Speed Model considering Speed of the Lead Vehicle, Vehicle Spacing, and Driver’s Sensitivity to Them
Table 2
Exemplary data entries associated with one car-following group of vehicles using travel lane 3 (1.5-second refreshing rate).
| Frame_ID | Spacing (m) | Lag vehicle | Lead vehicle | Mahalanobis distance | Speed (m/s) | Acceleration (m/s2) | Speed (m/s) | Acceleration (m/s2) |
| 211 | 23.13 | 7.01 | −0.05 | 7.70 | 0.03 | 1.92 | 212 | 23.20 | 7.00 | −0.04 | 7.70 | 0.05 | 1.82 | 213 | 23.27 | 7.02 | 0.29 | 7.70 | −0.11 | 1.71 | 214 | 23.34 | 7.09 | 1.02 | 7.66 | −0.56 | 1.30 | 215 | 23.40 | 7.23 | 1.82 | 7.57 | −1.14 | 1.71 | 216 | 23.43 | 7.42 | 2.19 | 7.45 | −1.42 | 2.13 | 217 | 23.41 | 7.62 | 1.82 | 7.33 | −1.15 | 1.70 | 218 | 23.36 | 7.76 | 1.01 | 7.24 | −0.56 | 1.49 | 219 | 23.29 | 7.83 | 0.29 | 7.21 | −0.10 | 1.88 | 220 | 23.22 | 7.84 | −0.04 | 7.20 | 0.05 | 1.71 | 221 | 23.16 | 7.84 | −0.04 | 7.20 | 0.02 | 1.21 | 222 | 23.09 | 7.84 | 0.00 | 7.21 | 0.05 | 1.37 | 223 | 23.03 | 7.84 | 0.00 | 7.21 | 0.05 | 1.97 | 224 | 22.97 | 7.84 | 0.00 | 7.19 | −0.39 | 2.30 | 225 | 22.90 | 7.76 | −1.27 | 7.09 | −1.44 | 3.58 |
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