Figure 1-1 - Passenger-Miles of Travel by Mode: 2002

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NOTES: For consistency, aviation passenger-miles of travel (pmt) includes air carrier aviation only, as general aviation pmt 2002 data were not available when this report was...

Figure 2-9 - Runway Pavement Conditions of NPIAS Airports: 1997-2004

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KEY: N = data are nonexistent; NPIAS = National Plan of Integrated Airport Systems.

NOTES: See box 2-B on the facing page for definitions of NPIAS...

Figure 5-5 - Average Daytime Wait Times for Personal Vehicles at U.S. Surface Border Gateways: 2003 and 2004

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NOTES: Wait times for commerical and personal vehicles are recorded hourly. Daytime hours (between 8:00 am and 6:00 pm) are...

Figure 5-2 - Change in Travel Time Index by Metro Area Population: 1993 and 2003

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KEY: TTI = Travel Time Index.

NOTE: The TTI is the ratio of peak period travel time to free-flow travel time. It expresses the average...

Intermittent Interruptions of Transportation Services

Natural disasters, accidents, labor disputes, terrorism, security breaches, and other incidents can result in major disruptions to the transportation system. Although comprehensive data on these interruptions are not available...

Figure 3-8 - Serious Motor Vehicle-Related Injuries by Type: 2003

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NOTES: A minor injury is one in which the victim was treated and released. A serious injury is one in which the victim was either hospitalized or treated and...

Figure 3-12 - General Aviation Accidents: 1994-2004

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NOTE: 2004 data are preliminary. General aviation includes any civil aircraft operation that is not covered under 14 Code of Federal Regulations (CFR) Parts 121, 129, or 135,...

Bridge Condition

The condition of bridges nationwide has improved markedly since the early 1990s. Of the 590,853 roadway bridges in 2003, the Federal Highway Administration found that 14 percent were structurally deficient and 14 percent were functionally obsolete. About 33...

Figure 1-5 - Pedestrian Crossings from Mexico and Canada : 1994-2004

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KEY: U = data are unavailable (for crossings by personal vehicle from both Mexico and Canada in 1994).

NOTE: For definitions see table 1-5...

Figure 3-7 - Serious Motor Vehicle-Related Injuries by Age and Gender: 2003

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NOTES: A minor injury is one in which the victim was treated and released. A serious injury is one in which the victim was either hospitalized or treated and...