Design speed (V_d), major highway (km/hour)

80

90

100

110

120

Running speed (V_a), end of acceleration lane (km/hour)

70

77

85

91

98

Decision sight distance (m)

190

210

235

255

285

Minimum crest vertical curve radium (m)⁽¹⁾

17,190

21,000

26,300

30,970

38,980

Minimum sag vertical curve radium (m)

1260

1525

1860

2130

2470