Channel Tunnel terms of the Concession, Eurotunnel was obliged to investigate a cross-Channel road tunnel. In December 1999 road and rail tunnel proposals were presented to the British and French governments, but it was stressed that there was not enough demand for a second tunnel. A three-way treaty between the United Kingdom, France and Belgium governs border controls, with the establishment of "control zones" wherein the officers of the other nation may exercise limited customs and law enforcement powers. For most purposes these are at either end of the tunnel, with the French border controls on the UK side of the tunnel
2008 Channel Tunnel fire tunnel at Folkestone at 00:08 BST and a limited service provided with trains travelling in turn in alternating directions in the one tunnel. By the end of September, two thirds of the north tunnel had reopened. Full service resumed in February 2009 after repairs costing €60 million. This fire was the third to close the tunnel since it opened in 1994, the first being the 1996 Channel Tunnel fire and, in August 2006, the tunnel was closed for several hours after fire broke out on a truck loaded onto a HGV Shuttle. The fire was reported on 11 September 2008,