U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Missouri Division
Here is information pertaining to the FHWA program. If you are looking for information as to who to contact, sample documents, and useful links, this site should get you started.
We have also included subjects that relate to our nation's highways that go beyond pavement, traffic, bridges, etc.