- Divisions
- Houston (Kenedy to Houston)
- San Antonio-Corpus Christi
- Waco (Yoakum to Waco)
- Branches
- Falfurrias (Skidmore to Falfurrias)
- Kerrville (San Antonio to Kerrville)
- Lockhart (Austin) (Shiner to Lockhart)
- Rockport (Gregory to Rockport)
- GH&SA Extension of the Falfurrias
Branch
- Brownsville (Falfurrias to Brownsville)
- McAllen (Edinburg to McAllen)
Map colorized by Grady Price Blount.
Last Revised: 11/17/2007