transportation improvement / modal transportation improvements / typical metropolitan planning software / transportation purposes / transportation mode / transportation facility / decision-support tool / roadway network / travel habits / poisonous gas / statewide and interstate travel / coordinated transportation systems / historic site / conventional transportation planning models / transportation uses / aquatic site / transportation system components / overall transportation system efficiency / long distance travel demands / transportation activities / transportation facilities / transportation system / /
Organization
Federal Highway Association / Metropolitan Planning Organization / Houston-Galveston Area Council / Department of Health and Human Services / Department of Transportation / United States Department of the Interior / /