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 operates on Pennsylvania roadways. Pennsylvania has the most interstates in the nation, which include:

• I-70 - travels east/west in the southwest corner of the state, between Ohio and I-76;

• I-76 - runs east/west across the southern portion of the state, between Ohio and Philadelphia;

• I-78 - runs east/west through the southern portion of the state, from Harrisburg to New York;

• I-79 - goes north/south in the western part of the state, between Erie and Pittsburgh;

• I-80 - runs east/west across the middle of the state, between Ohio and New York;

• I-81 - travels north/south through the eastern portion of the state, from New York to Maryland;

• I-83 - runs north/south in the southern part of the state, from Harrisburg to Maryland;

• I-84 - goes east/west in the northeastern part of the state, from Scranton to New York;

• I-90 - travels east/west along Lake Erie, cutting across the northwest corner of the state between Ohio and New York;

• I-95 - runs down the southeast coast of the state, from New York to Delaware;

• I-99 - goes north/south in the center of the state, from I-80 to I-76.