This database contains state disbursements by federal fiscal year (Oct. 1-Sept. 30) on highways, including capital, maintenance, debt service, administration, and enforcement.  Data are compiled from reports of state authorities.  Data include year-end balances.

• 2011 Illinois data reflects 2009
• 2011 and 2012 data for Massachusetts and New Hampshire reflect 2010 data
• 2012 data for Maine and New York reflect 2011. 
• 2009 data for Indiana reflects 2008
• 2008 data for New Mexico reflects 2007
• 2006 data for Indiana reflects 2005
• 2005 data for Alabama, Colorado, Louisiana, Maine, Michigan, Minnesota, New Hampshire, North Dakota, Rhode Island, South Dakota, and Wyoming reflect 2004
• State-administered highways includes expenditures for local roads and streets under State control.  Most local roads are under state control in Delaware, North Carolina, Virginia, and West Virginia.

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• The category "Capital Outlay: State Administered Highways" and "Maintenance and Services: State Administered Highways" includes expenditures for local roads and streets under State control.