Railroad town
Kyle was a 200-acre railroad townsite before it was a boomtown
On July 24, 1880, David E. Moore and Fergus Kyle deeded 200 acres to the International-Great Northern Railroad for a townsite, and the town took Fergus Kyle's name. The site was no accident: it sits right where the Balcones Escarpment meets the blackland prairie, with ranching country rising to the west and farming spreading flat to the east, and the railroad wanted a stop on that line. The population blew past 500 by 1882 before settling back down for the next hundred years.
That old geography still shows in town. The original street grid is laid square to the tracks, not to the modern roads, which is why downtown Kyle feels turned slightly off-axis from the IH-35 sprawl around it. The railroad set the bones; everything since has grown around them.
The contrast is what makes Kyle worth a second look. A traveler today sees a suburb that exploded past 50,000 residents, but underneath is a 19th-century rail depot at the literal edge of two landscapes — the reason there's a town here at all.
Source to confirm: Handbook of Texas – Kyle, TX