Moving Ahead for the 21st Century Act.

The article presents information about the U.S. Moving Ahead for Progress in the 21st Century Act (MAP-21) which authorizes funding for the Federal-aid highway program at the Congressional Budget Office's baseline level plus inflation for two fiscal years, noting the five initiatives that give federal aid to states including the Transportation Mobility Program, National Freight Network Program, and Congestion Mitigation and Air Quality Improvement Program.