IRB Infrastructure Developers Limited, formerly IRB Infrastructure Developers Private Limited, is an Indian highway construction company. It was incorporated in 1998, with its headquarters in Mumbai. It is part of the IRB Group. IRB Infrastructure, which executed the country's first build-operate-transfer road project, is one of the largest operators of such ventures. Currently it has about 3,404 lane Km operational and about 2,330 lane Km under development. Among its notable projects are the Mumbai Pune Expressway and the Ahmedabad Vadodara Expressway. In 2012, IRB acquired Tamil Nadu based BOT road builder MVR Infrastructure and Tollways for ₹ 1.30 billion.