At a weekly press briefing on Wednesday, Gulyás said the concession would be called in January and the project could be completed within six years.

He added that the rail link, terminating at Nyugati station, would cut airport transfer times to 19 minutes.

The airport trains, to run every 5-10 minutes, are expected to carry around 33,000 travelers a day, he said.

The cabinet also decided to build the M86-M87 expressway, in the northwest of the country, in the framework of a concession, he added.