Business Loop I-20 - Thorntonville and Monahans

Business Loop I-20D runs 8.22 miles from Exit 76 through Thorntonville and Monahans along old U.S. 80 (Sealy Avenue) to Exit 83 in Ward County. Most of the Interstate 20 business loops in Texas were commissioned in around 1990 or 1991, about the same time that U.S. 80 was decommissioned west of Dallas.