Highway Beautification Act (1965)
Congress passed the Highway Beautification Act, pushed by First Lady Lady Bird Johnson, to limit billboards along the nation's interstate and primary highways. States that failed to control signs risked losing federal highway funds.
Established a federal-state framework for sign control and compensation for removed billboards.
Set the template for modern billboard permitting, with states and cities later layering their own sign codes and special use permit rules on top.
The 1991 Las Vegas special use permit now under review exists within this regulatory lineage, where outdoor advertisers like Lamar must periodically re-justify signs that predate current codes.
