Contact Us Division Home About Us Contact Us HomeDivision for Transportation Affairs...Contact Us – Division for Transportation Affairs hide Contact Us Division for Transportation Affairs Transportation Affairs (TRA) Phone: 202-647-4045 Fax: 202-647-4324 Postal Address: Transportation Affairs Bureau of Economic and Business Affairs EB/TRA, Room 3817 HST U.S. Department of State Washington, DC 20520-3425 Office of Aviation Negotiations (AN) Phone: 202-647-8001 Fax: 202-647-9143 Postal Address: Office of Aviation Negotiations Bureau of Economic and Business Affairs EB/TRA/AN, Room 3817 HST U.S. Department of State Washington, DC 20520-3425 Office of Transportation Policy (OTP) Phone: 202-647-8001 Fax: 202-647-8628 Postal Address: Office of Transportation Policy Bureau of Economic and Business Affairs EB/TRA/OTP, Room 3817 HST U.S. Department of State Washington, DC 20520-3425 Tags Bureau of Economic and Business Affairs Division for Transportation Affairs Transportation