Texas Transportation Code - TRANSP § 225.029. Presidential Corridor

(a) In recognition of the connection between the Lyndon Baines Johnson Library in Austin and the George Herbert Walker Bush Library in College Station, the parts of U.S. Highway 290 from Interstate Highway 35 to State Highway 21 and State Highway 21 from U.S. Highway 290 to State Highway 6 are the Presidential Corridor.  The designation is in addition to any other designation.

(b) The department shall design and construct markers indicating the highway number, the designation as the Presidential Corridor, and any other appropriate information.

(c) The department shall erect a marker at each end of the corridor and at appropriate intermediate sites along the corridor.