Tex. Transportation Code § 391.093

(a) A commercial establishment, to be eligible to have its name displayed on a specific information logo sign, must provide gas, food, lodging, camping, or pharmacy services and be located not more than three miles from an interchange on an eligible highway. If no service participating or willing to participate in the specific information logo sign program is located within three miles of an interchange, the commission may grant permits for commercial establishments located not farther than:

(1) six miles from the interchange;

(2) nine miles from the interchange if no service participating or willing to participate in the program is located within six miles from the interchange;

(3) 12 miles from the interchange if no service participating or willing to participate in the program is located within nine miles of the interchange; or

(4) 15 miles from the interchange if no service participating or willing to participate in the program is located within 12 miles of the interchange.

(b) An establishment that provides gas must operate continuously at least 12 hours each day and provide:

(1) vehicle services, including fuel, oil, and water;

(2) tire repair, unless the establishment is self-service;

(3) restroom facilities and drinking water; and

(4) a telephone for use by the public.

(c) An establishment that provides food must:

(1) have any required license or other evidence showing compliance with applicable public health or sanitation laws;

(2) operate continuously at least 10 hours a day and serve two meals a day; and

(3) provide:

(A) seating capacity for at least 16 persons;

(B) public restrooms; and

(C) a telephone for use by the public.

(d) An establishment that provides lodging must:

(1) have any required license or other evidence showing compliance with applicable laws regulating facilities providing lodging;

(2) provide at least 10 rooms; and

(3) provide a telephone for use by the public.

(e) An establishment that provides camping must:

(1) have any required license or other evidence showing compliance with applicable laws regulating camping facilities;

(2) provide adequate parking accommodations; and

(3) provide drinking water and modern sanitary facilities.

(f) The department shall by rule provide that an establishment that provides lodging is eligible to have its name displayed on a specific information logo sign if the establishment is:

(1) visible from an eligible highway or an interchange on an eligible highway; and

(2) located on a street that is not more than two turns off the access or frontage road to the eligible highway.

(g) An establishment is eligible to have two names displayed on the same specific information logo sign panel if the establishment provides:

(1) two food outlets in a shared space under common ownership; or

(2) gas and food outlets in a shared space under common ownership.

(h) An establishment that provides pharmacy services must operate continuously for 24 hours each day and provide pharmacy services for 24 hours each day.