Utah Department of Public Safety

Risk Assessment Draft






Ground Transport Risk Assessment Guidelines


Ground Transport Risk Assessment Guidelines

This table provides a comprehensive overview of various risk categories associated with ground transport, along with their assigned risk values. These guidelines are designed to assist in evaluating potential hazards and ensuring safe operations.

Ground Transport Risk Factors and Values
Risk Category / Condition Risk Value
Day vs. Night
Day (08:00 – 18:00) 1
Night (18:00 – 24:00) 3
Trip between 00:00 – 05:00 5
Weather
Hail/Sleet 3
Flash Flood Warning 5
Flooding Conditions No Go or Alternate Route
Snow
Blizzard Conditions anywhere along route No Go
Active snow 3-6 inches/hr 8
Active snow 1-3 inches/hr 6
Active snow < 1 inch/hr 4
Visibility
Ground Fog 6
Blowing Snow 5
<100 yards visibility 5
Wind
20-40 mph 4
>40 mph 8
Temperature
0 degrees F 5
Below zero or 30 below chill factor 8
Heat > 108 degrees F 8
Route
Canyon travel, change in mode, alternate route, closure/accidents 5
Combined mode of transport, Airport/Road construction 3
Road Conditions
Snow packed unplowed snowy/icy roads 8
Slick in spots, drifting snow, black ice and standing water 5
Mode of Travel
4X4, Chains, Snowplow (use of any) 8