A movie is being filmed in a nearby sub division.
Somehow Roswell GA is being a stand in for TX.
http://buzz.blog.ajc.com/2017/08/22/neil-armstrong-biopic-starring-ryan-gosling-films-in-atlanta-this-fall/They have a few period cars being used. These photos are of the ones that were waiting to be called into action.
https://postimg.org/gallery/1bb2i9cu8/The last photo is from the Hwy 136 overlook east of Jasper GA.

Day started cool and foggy but once the fog burnt off it was beautiful in the mid 60s. Great day for a mesh jacket and electric jacket liner and gloves.