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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Legacy Publication

Legacy ID
1011
Show Effective Date
On
Significant Regulatory Guidance
No

Safety Overview

Safety Overview

In 2007, the highway mode accounted for most of the total transportation accidents (99.5 percent), fatalities (94.5 percent), and injuries (94.3 percent) (Table 2-2-1, Table2-2-4, and Table 2-2-5). General aviation accounts for the majority of air accidents, fatalities, and...

Improving Congestion

Improving Congestion

The most recent data show continuing increases in highway congestion for many urban areas in the United States. Congestion in the United States, as measured by the Travel Time Index (TTI), increased for the largest urban areas from 1.36 in 2004 to 1.38 in 2005 (Table...