Unfortunately Houston and Dallas (which are about 250 miles apart) take very different routes to get to BG, at least if each group follows the quickest path. Dallas route is I-30 to I-40 to I-65 (at Nashville). Houston route is probably I-10 to I-12 to I-59 to I-20 to I-65. They don't meet up till Nashville.
Oh well, maybe at the get-together this weekend I'll find someone else going.
RATRCR