The project will provide direct connections between Bucharest and Otopeni, respectively between Bucharest North Railway Station and Henri Coanda International Airport, by building a new subway line with a length of 14.2 km and 12 metro stations. The total project value is EUR 1,391,634,272.

The M6 is currently in design phase and the environmental agreement was issued in October 2017. Transport authorities have also announced that the tender for the execution of the works could take place in early 2018.  (source: hotnews.ro)