Complex sentence: North Carolina Highway 70 (NC 70) was one of the original state highways in the U.S. state of North Carolina running from the South Carolina state line to the Virginia state line north of Greensboro.
Split into simpler sentences: North Carolina Highway 70 (NC 70) was one of the original state highways in the U.S. state of North Carolina. It went from the South Carolina state line to the Virginia state line north of Greensboro.