- National Highway System1
- National Statuary Hall (United States Capitol, Washington, D.C.)1
- Parkways--United States1
- Peck, Dallas L. (Dallas Lynn), 1929-1
- Perry, A. Michael, 1936-20151
- Presidents--United States1
- Redd, Marie1
- Secretaries1
- Signs and signboards1
- Silver Hair Congress1
- Slack, John Mark, 1915-19801
- Slater, Rodney Earl, 1955-1
- Soaring Eagle Ministries International, Inc. (W.Va.)1
- Staggers, Harley O. (Harley Orrin), 1951-1
- Strickland, Ted1
- United States, National Park Service1
- United States. Air Force1
- United States. Congress. House--Speakers1
- United States. Congress. House. Committee on Transportation and Infrastructure1
- United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Surface Transportation1
