Coffee truck with coffee, tea, espresso and eats in downtown Santo. Look for the green truck! Located 4 miles off I-20 on FM4. Exit 380 The truck is regularly parked in ‘downtown’ Santo. Our truck is a 1939 railway express truck that was salvaged on an old farm. It is painted the original colors of the Railway Express Agency that acted much like the first UPS or FedEx from 1918 through the 1970’s.