The Transportation and Infrastructure Committee has jurisdiction over all modes of transportation: aviation  maritime and waterborne transportation  highways  bridges  mass transit  and railroads The Committee also has jurisdiction over other aspects of our national infrastructure  such as clean water and waste water management  the transport of resources by pipeline  flood damage reduction  the management of federally owned real estate and public buildings  the development of economically depressed rural and urban areas  disaster preparedness and response  and hazardous materials transportation