House Bill No. 129 designates specific portions of Louisiana highways in Caddo Parish as memorial highways. It names a section of Louisiana Highway 173, from Elder Street and North Holtzman Avenue to Common Street, as the "Dr. Harry Blake, Sr. Memorial Highway." Additionally, it designates a portion of Louisiana Highway 3194, between Linear Street and Legardy Street, as the "Virginia Green Evans Memorial Highway."

The bill directs the Department of Transportation and Development (DOTD) to erect and maintain signage for these designations, contingent upon receiving local or private funds that cover the actual costs of the signage, capped at $750 per sign. The bill also includes amendments that add the designation for the Virginia Green Evans Memorial Highway and make technical changes to the original text.