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1-1 Transportation Network Length

Thursday, January 5, 2017

Excel

miles

Mode 2004 2014
Highway    
Public roads 3,981,512 4,177,073
Public road lanesa 8,338,821 8,766,049
Pipeline    
Gas distribution 1,925,748 2,169,155
Gas transmission and gathering 327,994 319,313
Rail    
Class I freight railroad 97,662 94,372
Amtrak 22,256 21,356
Transit    
Commuter railb 6,875 7,795
Heavy railb 1,596 1,622
Light railb,c 1,187 1,877
Water    
Navigable waterwaysd 25,000 25,000

aMeasured in lane-miles. bMeasured in directional route-miles. cLight Rail was revised beginning in 2011 and includes light rail, street car rail, and hybrid rail. dEstimated length of domestic waterways.

Sources: Highway, Rail, Transit, Water–As cited in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics, tables 1-1, 1-6, and 1-10, available at www.bts.gov as of October 2016. Pipeline–U.S. Department of Transportation, Pipeline and Hazardous Materials Administration, available at phmsa.dot.gov/pipeline/library/data-stats as of October 2016.