what would be a good road to take on a coast to coast road trip that passes just north of the Sabine River in Texas?
Longview, Texas:  Longview is located in East Texas, where Interstate 20 and U.S. Highways 80 and 259 converge just north of the Sabine River. U.S. Route 80:  As the "0" in the route number indicates, it was originally a cross-country route, from the Pacific Ocean to the Atlantic Ocean.
Longview is located in East Texas, where Interstate 20 and U.S. Highways 80 and 259 converge just north of the Sabine River.