Monthly data, seasonally adjusted
Monthly data, seasonally adjusted (millions of dollars)
|Total public expenditures||Federal||State and local|
NOTES: Data from 1995 to 2001 include state and local expenditures only. Data from the estimation of federal expenditures were not published until January 2002.
Construction includes new buildings, renovations, mechanical and electrical installations, site preparation, and other materials and structures incidental to construction. Maintenance is not included.
Highways and streets are the largest component of public transportation infrastructure spending. Pavement is by far the largest part of that spending, accounting for about 70 percent of state and local roadway expenditures.
There are additional highway and street components that are published on an annual basis: retaining walls, tunnels, toll/weight stations, and maintenance facilities.
SOURCE: U.S. Department of Commerce, Bureau of the Census; available at: http://www.census.gov/const/www/c30index.html as of September 2007.