 Engineers also promoted a new headquarters, and in 1933 completed this state highway building.From here, Dewitt Carlock Greer (1902–1986) served as state highway engineer, 1940–1967, and commissioner, 1969 to 1981, when legislators named the building for him.That year, as the agency's role expanded to public transportation, it managed 71,000 miles of highways for 12 million Texas vehicles.