Business Loop I-20 - Big Spring

The Big Spring business loop follows old U.S. 80 between Exits 174 and 179 through the city of Big Spring. This includes a one-way couplet of Third Street and Fourth Street through Downtown. Business Loop I-20G replaced Texas Loop 402 for a distance of 5.61 miles on June 21, 1990.
Updated June 18, 2026