Just as a new Toot’n Totum travel center prepares to open on the north edge of Lamesa, construction is about to begin on another large convenience store here.After months of planning and behind-the-scenes activities, a sign went up a few weeks ago announcing the location of a future Allsup’s store in Lamesa.Located just north of McDonald’s restaurant, the store will cover the entire block of property bounded by Lynn and Dallas avenues and N. 5th and 6th streets.“The store will be one of our Allsup’s Market concept stores, with a larger grocery offering, 24 fueling positions, and four high-flow diesel ...