The question is, why didn’t he just fly in? You can use a lot of gas between Dallas and Metropolis.
Update: Apparently, Superboy or Supergirl was also in town Friday. An alert FrontBurnervian sends in this picture she snapped in the Turtle Creek area. She said the blue car had a red and yellow interior. In case you can’t tell from my photo, the red car’s windows had a blue tint.