Interstate 635 (Texas) Interstate 635 (Texas) Interstate 635 (I-635) is a partial loop around Dallas, Texas, in the United States between I-20 in Balch Springs and State Highway 121 (SH 121) at the north entrance of the Dallas-Fort Worth International Airport in Grapevine. It intersects I-35E at exits 27B–C, but does not connect with I-35W. It is known locally as the Lyndon B. Johnson Freeway, or LBJ, named after Lyndon B. Johnson, the former U.S. Senator from Texas, 37th Vice President, and the 36th President of the United States. Where I-635 ends at I-20, I-20 continues the LBJ Freeway name heading west. Because
Secretary to the President of the United States had one messenger and one secretary (referred to as an amanuensis in the common parlance of the time) at his disposal, both of whose salaries were paid by the President personally. In fact, all Presidents up to James Buchanan paid the salaries of their private secretaries out of their own pockets; these roles were usually fulfilled by their relatives, most often their sons or nephews. James K. Polk notably had his wife take the role. It was during Buchanan's term at the White House in 1857 that the United States Congress created a definite office named the "Private Secretary at