chapter 6 summary analysis of freight movement wilbur smith associates page 1 the over louisiana s transportation system is discussed in this it includes an flows to from through and within along with forecasts year 2030 flow intended depict trading partners types commodities transported preferred modes travel growth traffic remainder organized by mode transport truck movements 2 rail 3 waterborne 4 air cargo source data all domestic water reported are reebie transearch 2000 database has maintained updated annually since 1980 a commercially available for analyzing nationwide regional local patterns quantified volumes activity individual commodity variety sources used compile ranging government agencies private sector industry associations carriers themselves primary contained table agency