What is abbreviated as RDR in Atlanta street names?

In the context of Atlanta street names, RDR refers to Ralph David Abernathy Boulevard. This boulevard is named after a significant figure in the Civil Rights Movement, Ralph David Abernathy, who played a crucial role as a leader alongside Martin Luther King Jr. His legacy is recognized through the naming of this street, which serves to honor both his contributions to social justice and the history of the civil rights struggle in Atlanta. Understanding this contextual significance enhances the appreciation for the naming conventions of streets in the city, reflecting its historical and cultural heritage. The other choices do not correspond to any recognized or commonly referenced streets in Atlanta as RDR.