U. S. Department of Transportation
20 works on record
Works

Helicopter Instructor's Handbook

Balloon Flying Handbook

Airplane Flying Handbook

Safety of High-Speed Ground Transportation Systems

Advanced Avionics Handbook
Evaluating Scour at Bridges - Fifth Edition (Hydraulic Engineering Circular No. 18)
Stream Stability at Highway Structures - Fourth Edition (Hydraulic Engineering Circular No. 20)
Bridge Scour and Stream Instability Countermeasures
National 911 Program - Next Generation 911 (NG911) Standards Identification and Review (a Compilation of Existing and Planned Standards for NG911 Systems)
America's Highways : History from 1776 to Modern Times
Aircraft Weight and Balance Handbook
Risk Management Handbook
Aviation Weather Services
Instrument Flying Handbook : FAA Handbook
Designee Management Handbook
U. S. International Trade and Freight Transportation Trends
Airport Improvement Program Handbook
Transportation Statistics Annual Report 2010
Measuring the Impacts of Freight Transportation Improvements on the Economy and Competitiveness
Glider Flying Handbook