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
Cycling in the Channel Tunnel Cycling in the Channel Tunnel Pedal cycles in the Channel Tunnel are normally allowed to cross the Channel Tunnel fixed link between the United Kingdom and France only by using the Eurotunnel cycle service, on board a Le Shuttle train. That consists of a minibus and bicycle trailer for six bicycles. On a number of special occasions since 1993, crossings have been made directly using the bidirectional Channel Tunnel service tunnel, positioned between the two rail tunnel bores. The central service tunnel has airlocks at both ends and a concrete screed road surface. During construction, over 200 bicycles were used