Segment position | Variable name | Symbol | Unit | Range of measurement | Mean | Coefficient of variation |
---|---|---|---|---|---|---|
Dependent variable | ||||||
Segment (n) | Speed | V85 (n) | km/h | 48—90 | 69.19 | 0.14 |
Independent variables | ||||||
Segment (n) | Length | Ln | m | 52—1488 | 235.98 | 1.19 |
Category | Cn | - | 1 – 10 | 7.57 | 0.42 | |
Posted Speed | PS | km/h | 40, 60 | 58.03 | 0.1 | |
Segment (n-1) | Length | L(n-1) | m | 52—1488 | 232.04 | 1.22 |
Speed | V85 (n-1) | km/h | 48—90 | 69.38 | 0.14 | |
Category | C(n-1) | - | 1—10 | 7.49 | 0.43 | |
Segment (n-2) | Length | L(n-2) | M | 52—1488 | 236.16 | 1.21 |
Speed | V85 (n-2) | km/h | 48—90 | 69.43 | 0.14 | |
Category | C(n-2 | - | 1—10 | 7.55 | 0.41 | |
Segment (n-3) | Length | L(n-3) | m | 52—1488 | 226.66 | 1.21 |
Speed | V85 (n-3) | km/h | 48—90 | 69.54 | 0.14 | |
Category | C(n-3) | - | 1—10 | 7.46 | 0.42 | |
Segment (n-4) | Length | L(n-4) | m | 52—1488 | 230.93 | 1.2 |
Speed | V85 (n-4) | km/h | 48—90 | 69.48 | 0.14 | |
Category | C(n-4) | - | 1—10 | 7.63 | 0.4 |