Challenges and Opportunities for Innovation in the Public Works ...

Table 3. Federal, State & Local - for Transportation
Facilities (millions of dollars) (Germane 1983).
1978 Shares
Airways & Airports 4,106 11.2%
Highways 30,831 84.4%
Railroads*
......
Rivers & Harbors 1,588 4.4%
Total 36,525 100.0%
* Does not include government guaranteed loans or AMTRAK,
or urban and high speed ground transport federal
expenditures.
Table 4. U.S. Government Transportation R&D Outlays (% of
General
total federal R&D) (Germane 1983).
1980
2.6%
Air 66.2%
Highway
13.6%
Railroad 5.2%
Urban Mass Transit 6.9%
Water 5.5%
Total Transportation 100.0%
Total Transportation R&D $ 1,020
(millions of $)
Total U.S. Gov't Outlays for $30,477
R&D (millions of $)
Transportation R&D as a %
of Total
U.S. Government R&D 3.3%
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