The French Institute of Science and Technology for Transport, Development and Networks (French: Institut français des sciences et technologies des transports, de l'aménagement et des réseaux, IFSTTAR) is a public research institution (a Public Scientific and Technical Research Establishment) created in 2011. It results from the merger of The French National Institute for Transport and Safety Research (INRETS) and the French Central Laboratory of Roads and Bridges (LCPC).

Institut français des sciences et technologies des transports, de l'aménagement et des réseaux (IFSTTAR)

Type	Public Scientific and Technical Research Establishment
Purpose	French Institute of Science and Technology for Transport, Development and Networks
Region served	France
Official language	French
Staff	600
Website	www.ifsttar.fr

The IFSTTAR is an associate member of University of Paris-Est and Université Lille Nord de France.