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Table 1 Minimum horizontal radii (m) for emax = 0.08 [2]
From: Sight distance restriction on highways’ horizontal curves: insights and sensitivity analysis
Parameter | Design Speed (km/h) | ||||||
|---|---|---|---|---|---|---|---|
60 | 70 | 80 | 90 | 100 | 110 | 120 | |
emax (max superelevation) | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
fRmax max side friction | 0.17 | 0.15 | 0.14 | 0.13 | 0.12 | 0.11 | 0.09 |
Rmin min horizontal radius (m) | 113 | 168 | 229 | 304 | 394 | 501 | 667 |