Research Article
Platoon-Based Assessment of Two-Way Two-Lane Roads Performance Measure: A Classification Method
Table 2
Effect of platoon characteristics on traffic flow using Pearson’s correlation coefficient.
| | Platoon characteristics | Flow (Veh/h) | Ht(s) | ρ(Veh/km) | PTSF (%) | ATS (km/h) | NO (N/h) | PS (N/h) | APS (km/h) | HV (%) |
| | Flow (Veh/h) | Pearson correlation | 1 | −0.753 | 0.920 | 0.863 | −0.922 | 0.951 | 0.947 | −0.956 | 0.850 | | Sig. (2-tailed) | — | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.046 | 0.000 |
| | Ht (s) | Pearson correlation | −0.753 | 1 | 0.567 | −0.540 | 0.658 | −0.669 | −0.730 | 0.718 | −0.610 | | Sig. (2-tailed) | 0.000 | — | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.596 | 0.000 |
| | ρ (Veh/km) | Pearson correlation | 0.920 | −0.567 | 1 | 0.915 | −0.917 | 0.945 | 0.850 | −0.958 | 0.848 | | Sig. (2-tailed) | 0.000 | 0.000 | — | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| | PTSF (%) | Pearson correlation | 0.863 | −0.540 | 0.915 | 1 | −0.885 | 0.858 | 0.795 | −0.905 | 0.815 | | Sig. (2-tailed) | 0.000 | 0.000 | 0.000 | — | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| | ATS (km/h) | Pearson correlation | 0.922- | −0.658 | −0.917 | −0.885 | 1 | −0.876 | −0.900 | 0.952 | −0.820 | | Sig. (2-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | — | 0.000 | 0.000 | 0.001 | 0.000 |
| | NO (N/h) | Pearson correlation | 0.951 | −0.669 | 0.945 | 0.858 | −0.878 | 1 | 0.883 | −0.932 | 0.822 | | Sig. (2-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | — | 0.000 | 0.008 | 0.000 |
| | PS (N/h) | Pearson correlation | 0.947 | −0.731 | 0.850 | 0.795 | −0.900 | 0.883 | 1 | −0.883 | 0.778 | | Sig. (2-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | — | 0.000 | 0.000 |
| | APS (km/h) | Pearson correlation | −0.956 | −0.718 | −0.958 | −0.905 | 0.952 | −0.932 | −0.883 | 1 | −0.851 | | Sig. (2-tailed) | 0.046 | 0.000 | 0.000 | 0.000 | 0.001 | 0.000 | 0.000 | — | 0.000 |
| | HV (%) | Pearson correlation | 0.850 | −0.610 | 0.848 | 0.815 | −0.820 | 0.822 | 0.778 | −0.851 | 1 | | Sig. (2-tailed) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.007 | — |
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Note. Correlation is significant at the confidence level 0.01 (2-tailed).
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