airlines amtrak appropriationsandexpenditures appropriationsandexpendituresamtrak automotive capitalinvestments casestudies commerce competition congresses containerization costofoperation costs designandconstruction economicdevelopment economicpolicy exports federalaidtoterrorismprevention finance financeamtrak financewashingtonmetropolitanareatransitauthority fraud freightandfreightage governmentpolicy harbors highspeedtrains highwaylaw lawandlegislation localtransit maintenanceandrepair management managementwashingtonmetropolitanareatransitauthority mergers olderpeople passengertraffic peoplewithdisabilities planning poor prevention privatization railroads railroadsandstate roads ruraldevelopment ruraltransportation securitymeasures shipping terrorism transportation transportationandstate unitedstates urbantransportation washingtonmetropolitanarea wasteingovernmentspending