Business Loop I-20 - Pecos and Barstow

Business Loop I-20B runs from Interstate 20 west of Pecos (Exit 37) northeastward along old U.S. 80 through the city of Pecos along 3rd Street. The route emerges from Pecos across an agricultural stretch preceding the city of Barstow. Business Loop I-20 concludes at a wye interchange (Exit 52), 3.6 miles east of the city line. Established in 1991, the business route totals 14.04 miles.