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Table 1 PSD values for two lane rural roads [1]

From: An evaluation of the passing process through road - vehicle parameters assessment

Design speed (km/h)

Assumed speeds (km/h)

PSD (m)

Passed vehicle

Passing vehicle

50

31

50

160

60

41

60

180

70

51

70

210

80

61

80

245

90

71

90

280

100

81

100

320