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General

Legacy ID
201

Chapter 8: The State of Transportation Statistics

Table 8-1 Statistics on the Extent, Use, Condition, and Performance of the Transportation System Table 8-2 Transportation Statistics on Passenger Travel Table 8-3 Transportation Statistics on Freight Movement Table 8-4 Statistics on Transportation’s Role in the Economy Table 8-5 Statistics on...

Box 7-A Diesel-powered Automobiles

Diesel-powered automobiles have been making the headlines following emission concerns raised by the U.S. Environmental Protection Agency (see the recent letter on these issues at: http://www3.epa.gov/). Diesel vehicles are a small percentage of the Nation’s motor vehicle fleet,...

Box 6-A Fatality Definition by Mode

Mode (Source) Definition Citation Air Fatal injury means any injury which results in death within 30 days of the accident. 49 CFR 830.2 Hazardous Material Fatalities must be reported as...

Box 5-B Transportation Services Index (TSI)

The Transportation Services Index (TSI), produced by the U.S. Department of Transportation (DOT), Bureau of Transportation Statistics (BTS), measures the movement of freight and passengers. The index combines seasonally adjusted data on freight and passenger travel, which have been weighted...

Figure 7-16 Air Quality Index for 169 U.S. Cities: 1990 and 2014

Table Version | Excel

NOTES: Based on number of days in the year in which an AQI mesasurement was reported from any monitoring site in the county or Metropolican Staistical Area to the Air Quality Statistics database. # Days Good: number of days in the year...