TABLE 3 Operating Costs ,

Operating expenses,Costs*
Gas and oil,0.061 (dollars/mile)
Maintenance,0.029 (dollars/mile)
Tires,0.0145 (dollars/mile)
Insurance,"1,350 (dollars/year)"
Parking and tolls,0.0182 (dollars/mile)
* 2000 dollars (without tax),

"Sources: AAMA (1996), USDOT (1991)",