sentences:  The Louisiana Transportation Authority (LTA) is also under the DOTD, as well as the DOTD port construction and development.The Louisiana Highway Commission was established in 1921 under the administration of Governor John M. Parker, who pushed for the establishment of more gravel roads throughout the state.Act 47 of 1940 under Governor Sam Houston Jones reorganized the entire state government; under its provisions, the Department of Highways was designated as the successor to the old Highway Commission, and a director, appointed by the governor, was established as the executive head of the Department.