LOL..... well I'm sure 'you know who' could find lots of shops along most any route... just let the internet do the looking... Parts of I-10 from Lake Charles to Beaumont have construction going on and from just east of downtown Houston out some 30 plus miles to Katy is underconstruction. In both cases it just depends upon what the contractors are doing on any one day as to congestion.
Have a good trip....
We want to stay away from Houston! Sheeeesh last time we went there it took us four HOURS just to get around the city and the TOLLS O-M-G. That city is just toooooo big. Miami is big too, but I know where the bad spots are, where the predators live and their habits. I'd be too paranoid there to enjoy myself. Be on orange alert all the time and that gets really tiring.