Table 6. Running speed by radius of curve.
(Unit：km/h)
| Radius of curve | Facility location | Slope |
| Uphill | Downhill |
| Avg. | Min. | Max. | S.D. | | Avg. | Min. | Max. | S.D. | |
| <15 m | Valley | 4.8 | 1.8 | 7.0 | 2.0 | A | 3.3 | 1.8 | 5.4 | 1.7 | A |
| Ridge | 5.7 | 2.0 | 15.7 | 3.9 | A | 4.8 | 1.6 | 8.6 | 2.7 | A |
| 15∼25 m | Valley | 8.7 | 5.5 | 14.8 | 2.4 | B | 7.6 | 4.3 | 11.2 | 2.1 | B |
| Ridge | 8.1 | 2.0 | 16.6 | 2.4 | AB | 7.3 | 2.0 | 12.1 | 2.3 | B |
| 25 m≤ | Valley | 8.5 | 5.8 | 10.9 | 1.3 | B | 8.3 | 5.3 | 10.9 | 1.5 | B |
| Ridge | 10.7 | 8.3 | 14.9 | 3.6 | B | 8.9 | 7.4 | 10.9 | 1.8 | B |
Same letter are not significantly different by Duncan’s multiple range test (p=0.05).