If you are seeking transportation support in the Houston area, i would recommend you contact the American Cancer Society. They have a program, Road to Recovery, that facilitates transportation for treatment. To find out the contact info closest to you, you should call[phone number redacted].
Also, if you click on "resources" at the top of this page, you will be directed to all different types of support organizations and services in your area.
Hope this helps, and please let us know if there is anything else we can do to help.