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Institute of Transportation Engineers
Multi-modal scientific and practical transportation organization for traffic engineers, planners, and others involved with surface transport.
http://www.ite.org/
The Institution of Highways and Transportation
IHT aims to provide a forum for the exchange of technical information and views on highways and transport policy; to make roads safer for the travelling public; and to encourage training and development to meet today's requirements.
http://www.iht.org/
