The main East to West corridor in the southern part of the state, it starts in Jacksonville, Florida, and terminates in Los Angeles, covering more than 2,400 miles
The principal East to West corridor in North Texas. It starts in Florence, South Carolina, and merges with I-10 near Pecos, Texas after covering more than 1,500 miles
This North to South corridor carries a lot of traffic and extends from the Mexican border to Duluth, Minnesota across 1,500 miles
This highway starts in Wilmington, North Carolina, and goes for 2,500 miles before reaching its end at Barstow, California. It cuts across the Texas Panhandle on its trans-continental journey.