Business Loop I-20 - Merkel
Business Loop I-20P follows First Street through Merkel while IH 20/U.S. 84 bypass the city to the north. The route begins at a split diamond interchange (Exit 267) west of Trent and concludes east of the town limits at a split diamond interchange (Exit 270) with FM 1235. The 2.79 mile route replaced State Loop 39 in 1990.
Updated July 30, 2026