Until the 1950s, signs like these were common markers of legally enforced laws of racial segregation in America. Racial segregation in the United States as a general term, included physical separation and provision of separate facilities, services, and opportunities such as housing, medical care, education, employment, and transportation along racial lines.
President Lyndon Johnson Signing the 1965 Civil Rights Bill, also known as the Voting Rights Act Premium Poster at AllPosters.com
During those twenty years Lyndon Johnson had never supported civil rights legislation—any civil rights legislation. In Senate and House alike, his record was an unbroken one of votes against every civil rights bill that had ever come to a vote: against voting rights bills; against bills that would have struck at job discrimination and at segregation in other areas of American life; even against bills that would have protected blacks from lynching.