Heavy Haulers spends a lot of time traveling Illinois highways. At least a dozen interstate highways run through the state, including:

• I-24 - runs southeast in the southeast corner of the state from I-57 into Kentucky;

• I-39 - travels north/south from Rockford to Bloomington;

• I-55 - travels southwest across the center of the state from Chicago to St. Louis;

• I-57 - runs north/south down the eastern third of the state, from Chicago into Arkansas;

• I-64 - goes east/west across the southern portion of the state, from Iowa to Indiana;

• I-70 - runs northeast across the southern third of the state, from Iowa to Indiana;

• I-72 - runs east/west from Missouri to Champaign across the middle of the state;

• I-74 - runs east/west across the middle of the state from Champaign into Indiana;

• I-80 - goes east/west across the top third of the state, from Iowa into Indiana;

• I-88 - runs east/west from I-80 west of the Iowa border into Chicago;

• I-90 - goes north/south from Wisconsin into Chicago, slicing across the northwest corner of the state;

• I-94 - travels down the eastern side of the state from Wisconsin into Chicago.

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 California to New Mexico.