5. Data Sources and Methodology

The Bureau of Economic Analysis (BEA), the U.S. Census Bureau (Census), and the Office of Management and Budget are the principal data sources. Not all data are directly taken from these sources. A number of adjustments are required due to differences in...

Figure 3 - Transportation investment as percentage of GDP by sector: 1987-2003

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Sources: BTS calculations based on data from the following sources: U.S. Department of Commerce, Bureau of Economic...

Figure 5 - Investment in transportation infrastructure as percentage of GDP by mode and by sector, average for 1987-2003

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Note: Details do not add to the total investment, because the total includes parking and...

Figure 3 - Transportation investment as percentage of GDP by sector: 1987-2003

(Percent)

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Figure 12 - Business transportation and non-transportation investment: 1988-2003

(Growth in percent)

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Figure 9 - Investment in rolling stock as percentage of GDP by sector: 1987-2003

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Notes: Private business include transportation industries and non-transportation industries. Transportation industries consist of...

2. Objective, Scope and Organization

The main purpose of this report is to provide time series data on transportation investment in fixed assets, which include infrastructure, rolling stock, and other equipment used in transportation activities. The data are reported by sector (private,...

Table 1 - Comparison of Old versus New Data Sources

Figure 4 - Investment in transportation infrastructure as percentage of GDP by sector: 1987-2003

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Sources: BTS calculations based on data from the following sources: U.S. Department of Commerce, Bureau of...

Figure 8 - Investment in rolling stock as percentage of GDP by sector and by mode, average for 1987-2003

(Percent)

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