Business Loop I-40 - Tucumcari

I-40 east at Business Loop I-40 - Tucumcari, NM — Business Loop I-40, U.S. 54/Historic U.S. 66 diverge from eastbound Interstate 40 near Tucumcari at Exit 329. This was the first of two meetings between U.S. 54/66. The second was located in Downtown Chicago prior to the retraction of U.S. 54 out of the Windy City in 1972. Photo by Robert Lee (06/17/06).

I-40 west at Business Loop I-40, Tucumcari, New Mexico — Interstate 40 westbound at Business Loop I-40 / Historic U.S. 66 in Tucumcari, New Mexico. 04/24/17

Business Loop I-40 joins Tucumcari Boulevard east from Exit 325 to Downtown and a return to I-40 at Exit 335. U.S. 54 accompanies the route from I-40 east to Railroad Avenue as well.

Inventoried by NMDOT as BL-36P, the Tucumcari business route is 7.65 miles long.

Updated August 1, 2026