Research Article
Freeway Travel Speed Calculation Model Based on ETC Transaction Data
Table 4
Velocity error comparison of before and after reduction.
| |
Road segment | Without reduction | With reduction |
Sample size | | Mean absolute error (km/h) | Error variance (km/h) | Mean absolute error (km/h) | Error variance (km/h) |
| | 1 | 8.92 | 6.15 | 3.57 | 3.45 | 84 | | 2 | 14.98 | 8.69 | 5.36 | 3.51 | 84 |
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