Table 2 Threshold and speed parameter design.

From: Urban and rural disparities in general hospital accessibility within a Chinese metropolis

Parameters

Threshold (min)

Road speed (km/h)

Level II Hospital (\(d_{02}\))

Level III Hospital \((d_{03} )\)

Express Way

Grade 1 Roads

Grade 2 Roads

Grade 3 Roads

Grade 4 Roads

Values

30

69

80

60

60

30

20