Heavy Haulers ships cargo in Arizona. The major trade corridors in the state run east/west through Flagstaff, east/west through Phoenix and east/west through Tucson. Another route runs from Flagstaff south through Tucson. Arizona interstate routes include:

• I-8 - splits from I-10 in the lower middle of the state and runs west through Yuma into Mexico;

• I-10 - enters from New Mexico in the lower northeast corner, then runs north through Tucson before ending in Phoenix;

• I-15 - cuts across the northwest corner of the state, running between Nevada and Utah;

• I-17 - travels north/south between Flagstaff and Phoenix in the middle of the state;

• I-19 - runs south from Tucson to the border with Mexico;

• 1-40 - goes through Flagstaff in the middle of the state, traveling east/west from Alabama to New Mexico.

Heavy Haulers frequently rides the highways in Massachusetts. The main interstate roadways that cross the state include:

• I-84 - runs north/south from I-90 into Connecticut in the southern part of the state;

• I-90 - goes east/west across the southern portion of the state from New York to Boston;

• I-91 travels north/south through the western third of the state from New Hampshire to Connecticut;

• I-93 - runs north/south in the eastern part of the state, from New Hampshire to I-95 south of Boston;

• I-95 - travels north/south in the eastern part of the state from Maine to Connecticut.