Freedom of Information Act (FOIA) U.S.C s/s 552
FHWA/FTA Questions and Answers on Public Involvement in Transportation Decisionmaking
Questions and answers on 23 C.F.R 450
FHWA/FTA Interim Policy on Public Involvement (10/22/1999)
The Environmental Guidebook
FHWA Office of the Environment, Public Involvement guidance webpage.
Public Involvement Techniques for Transportation Decision-Making
Joint Federal Highway Administration (FHWA) and FTA report.