Preparations for the project started in 2008 and the intergovernmental agreement between Romania and Hungary was signed on 1 July 2008.
The pipeline is expected to be operational by September 2010 and it will carry 4.4 billion cubic meters of natural gas per year.
The intergovernmental agreement to build a natural gas pipeline between countries was signed in May 2010 in Arad.
[3] The pipeline was supposed to be inaugurated on 29 July 2010 but was postponed until September due to construction issues on the Hungarian side.
The diameter of pipeline is 27.5 inches (700 mm) and the capacity is 4.4 billion cubic meter (bcm) of natural gas per annum.