Table 1.

Description of Major Epidemiologic Job Groups in 2002

Job Title Group	Duties	Work Location	Number in 2002
Long haul driver	Operate heavy duty tractor-trailer trucks between cities	Highway truck cab	12,771
Pick-up/Delivery (P&D)	Drive tractors and smaller single-bodied trucks either within cities or rural areas; pick-up and deliver cargo between terminal docks and consumers	In and out of truck cab	4,941
Dock worker	Load and unload cargo, may operate forklifts	Loading dock	10,533
P&D/Dock “Combo” worker	Combination job: perform activities of either P&D driver or dock worker as needed	As noted above	12,151
Mechanic	Repair and maintain tractors; job may include fueling	Truck repair shop	1,849
Hostler	Drive “yard tug” (small, specialized tractor units that do not comply with emissions standards), moving trailers to and from the freight dock	Terminal yard	2,585
Clerks	Cashiers, dock clerks, dispatchers, customer service representatives, and others not regularly near vehicles	Offices, occasionally dock	1,879