"Table 1: Freight, Passenger and Combined Transportation Services Indexes Since March 2007 ",,,,,,, Percent Change by Month ,,,,,,, "(Seasonally Adjusted, Monthly Average of 2000 = 100)",,,,,,, ,Freight,,Passenger,,Combined,, ,Index,Pct. Change ,Index,Pct. Change ,Index,Pct. Change , March,109.8,1.1,114.2,2.2,110.5,1.4, April,109.3,-0.4,114.7,0.5,110.3,-0.2, MayR,109.2,-0.1,116.5,1.5,110.6,0.3, JuneP,108.9,-0.2,114.7,-1.5,110.0,-0.6, JulyP,108.5,-0.4,114.8,0.1,109.7,-0.2, AugustP,108.9,0.4,115.1,0.2,110.1,0.3, SeptemberP,108.1,-0.7,117.2,1.8,109.9,-0.1, SOURCE: Bureau of Transportation Statistics,,,,,,, NOTE: P = preliminary; R = revised,,,,,,, NOTE: Percent changes based on numbers prior to rounding.,,,,,,, ,,,,,,, ,,,,,,, ,,,,,,, ,,,,,,, ,,,,,,, ,,,,,,, ,,,,,,,