Skip to main content
. 2017 Jan 13;16:1. doi: 10.1186/s12942-016-0074-4

Table 1.

Impact of precipitation on speed limits

Precipitation Road type Speed limits (km/hr)
Driving Walking Public transport
Dry weather Highway 120 5 120
Paved major road 80 5 80
Unpaved major road 60 5 60
Paved minor road 40 4 4
Unpaved minor road 20 4 4
Trail 4 3 3
Wet weather Highway 96 4 96
Paved major road 64 4 64
Unpaved major road 42 4 42
Paved minor road 32 3 3
Unpaved minor road 14 3 3
Trail 2.8 2 2
Flood Impassable (travel time = 99,999,999)