[Dust in the Wind]

Well, as a truck driver Kansan I've found it fairly common knowledge that there is north Texas(Dallas area), west Texas (El Paso[Pecos River country]/Lubbock[also called the south plains]), The Valley (Rio Grande), not sure about the coastal plains and then there is The Panhandle (highway 86 north more or less) Texas is big as 4-5 of the states around it. I'm sure there are more Texas definitions, Hill country, The Thicket...

[burroak]

Your truck driving experiences are impressive as well as your map reading skills, but they have nothing to do with what determines what West Texas is. Google “Where does West Texas begin.” I won’t wait for a response ‘case I’ve already been there.