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Box 1-B Condition of the U.S. Transportation System

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AIR: 2000, 2010, and 2013

Runway Condition and Aircraft Age

  2000 2010 2013
Airport runway condition      
All NPIAS Airports, percent      
Good condition 73 79 81
Fair condition 22 18 17
Poor condition 5 3 2
Commercial Service Airports, percent      
Good condition 79 82 83
Fair condition 19 16 15
Poor condition 2 2 2
Average age of aircraft      
Small commercial aircraft NA 24.0 27.0
Majora airline aircraft NA 14.1 13.3
Nationala airline aircraft NA 9.1 11.6
Regional airline aircraft NA 28.2 26.9

HIGHWAYS: 2000, 2010, and 2013

Highway surface condition

  2000 2011 2013
Percent of mileage with International Roughness Indexb over 170      
Rural Routes      
Interstates 2.1 1.8 2.4
Other principal arterials 4.0 3.2 4.9
Minor arterials 7.0 6.6 7.2
Collectors 22.1 18.6 19.7
Urban Routes      
Interstates 6.5 5.2 5.1
Other freeways and expressways 10.9 7.8 7.2
Other principal arterials 30.0 28.1 25.8
Minor arterials 33.7 37.3 38.2
Collectors 52.3 53.7 53.7

Highway bridge condition and vehicle age

  2000 2010 2013
Condition of highway bridges, percent      
All structurally deficient bridges 15.2 12.0 10.5
Urban structurally deficient 10.2 8.3 7.0
Rural structurally deficient 16.7 13.3 11.7
All functionally obsolete 15.5 14.2 13.9
Urban functionally obsolete 25.2 24.2 23.8
Rural functionally obsolete 12.7 10.7 10.2
Average age of vehicles      
Passenger cars 9.1 10.8 11.4
Light trucks 8.4 10.5 11.3
All light vehicles 8.9 10.6 11.4

RAIL: 2000, 2010, and 2013

  2000 2010 2013
New rail and crossties laid      
Rail, thousand tons 690 564 620
Crossties, million 11.5 15.6 16.2
Age of locomotives, percent      
< 5 years old (2000 and 2010), < 9 years old (2013) 23.2 35.2 24.5
6-10 years old (2000 and 2010), 9-13 years old (2013) 13.2 10.0 17.0
11-15 years old (2000 and 2010), 14-18 years old (2013) 8.9 18.7 17.5
16-20 years old (2000 and 2010), 19-23 years old (2013) 12.0 17.9 9.4
> 20 years old (2000 and 2010), > 24 years old (2013) 42.6 18.2 31.6
Capital expenditures, $billion      
Roadway and structures $4.55 $7.86 $ 9.32
Equipment $1.51 $1.91 $ 3.77
Total $6.06 $9.77 $13.09
Revenue ton-miles (billion) 1,466 1,691 1,741

TRANSIT (urban): 2000, 2010, and 2013

  2000 2010 2013
Average age of vehicles      
Heavy-rail passenger cars 22.9 18.7 20.2
Commuter-rail passenger coaches 16.9 18.9 20.8
Full-size transit buses 8.1 7.9 8.1
Light-rail vehicles 16.1 16.8 16.4
Transit vans 3.1 3.4 3.5
Ferry boats 25.6 20.5 21.4

WATER: 2000, 2010, and 2013

  2000 2010 2013
Age of locks      
Average age 50.2 59.5 62.5
Age of U.S. flag vessels, percent      
< 6 years old 19.6 18.5 19.3
6 to 10 years old 9.2 11.5 12.1
11 to 15 years old 5.1 17.0 14.3
16 to 20 years old 19.6 8.7 13.6
21 to 25 years old 18.3 4.2 7.7
> 25 years old 27.7 39.3 32.6

a Major carriers have annual operating revenue exceeding $1 billion. National carriers have annual operating revenues between $100 million and $1 billion.

b International Roughness Index values are based on objective measurements of pavement roughness. A low IRI represents a smooth riding roadway.

KEY: NPIAS = National Plan of Integrated Airport Systems. NA = not available.

NOTE: Data is taken from multiple sources, thus the number of significant digits may vary. 2010 highway statistics are unavailable, thus 2011 was used.

SOURCES: Air: U.S. Department of Transportation, Federal Aviation Administration, as cited in U.S. Department of Transportation (USDOT), Bureau of Transportation Statistics (BTS), National Transportation Statistics (NTS), table 1-25. Available at www.bts.gov as of July 2015. USDOT, BTS, Office of Airline Information, TranStats Database, Form 41, Schedule B-43, special tabulation, July 2015. Highways: U.S. Department of Transportation, Federal Highway Administration, as reported in USDOT BTS NTS, op cit., table 1-26 (vehicles), table 1-27 (Highway surface condition), and table 1-28 (Bridges). Rail: Association of American Railroads, Railroad Facts (Washington, DC: annual issues). Transit: U.S. Department of Transportation, Federal Transit Administration, as reported in USDOT BTS NTS, op cit., table 1-29. Water: U.S. Army Corps of Engineers, Navigation Data Center, General Characteristics of Locks and Waterborne Transportation Lines of the United States. Available at www.ndc.iwr.usace.army.mil as of July 2015.

Updated: Saturday, May 20, 2017