SOFRETU (Société française d'études et de réalisations de transports urbains) was a French consulting and project development firm created in 1961 by the
RATP.
It has been merged with
ofrerail- a
SNCF
The Société nationale des chemins de fer français (; abbreviated as SNCF ; French for "National society of French railroads") is France's national state-owned railway company. Founded in 1938, it operates the country's national rail traffi ...
branch, in 1995 and became
Systra
SYSTRA is a multinational engineering and consulting group in the mobility sector, whose fields of activity include rail and public transport. In 2019, it employed a staff of about 7,300 people, and is a limited company which shareholders includ ...
.
It has been notably involved in the metro planning for
Montréal
Montreal ( ; officially Montréal, ) is the second-most populous city in Canada and most populous city in the Canadian province of Quebec. Founded in 1642 as '' Ville-Marie'', or "City of Mary", it is named after Mount Royal, the triple-p ...
,
Mexico City
Mexico City ( es, link=no, Ciudad de México, ; abbr.: CDMX; Nahuatl: ''Altepetl Mexico'') is the capital and largest city of Mexico, and the most populous city in North America. One of the world's alpha cities, it is located in the Valley o ...
,
Santiago de Chile
Santiago (, ; ), also known as Santiago de Chile, is the capital and largest city of Chile as well as one of the largest cities in the Americas. It is the center of Chile's most densely populated region, the Santiago Metropolitan Region, whose ...
and
Tehran
Tehran (; fa, تهران ) is the largest city in Tehran Province and the capital of Iran. With a population of around 9 million in the city and around 16 million in the larger metropolitan area of Greater Tehran, Tehran is the most popul ...
.
Engineering companies of France
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