Here was my second idea, just for our Texas members. Clashing "School" Colors.
These are street numbers painted on a driveway. These are adjacent houses, one backing Texas and the other is the only Oklahoma driveway in the neighborhood. (Texas was in the deep shade, hence darker.) Oklahoma probably got painted shortly after his neighbor's Texas logo.
.
Heading out for a two week road trip. So, thought I'd post this 2nd one now in case I can't find the internet the next few weeks.