Occupation: Heavy and Tractor-Trailer Truck Drivers
Task: Plan or adjust routes based on changing conditions, using computer equipment, global positioning systems (GPS) equipment, or other navigation devices to minimize fuel consumption and carbon emissions.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 2.88 (N=128)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 1.71 (N=128)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 3.61 (N=128)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 13.82 (N=128)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 64.67 (N=128)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 8.1 (N=128)
Source: Incumbent, 07/2014

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 5.21 (N=128)
Source: Incumbent, 07/2014

Scale: Importance
Value: 3.8 (N=133)
Source: Incumbent, 07/2014

Scale: Relevance of Task
Value: 73.99 (N=228)
Source: Incumbent, 07/2014