The “AT 2000” looks like an ordinary underground train split lengthwise down the middle. The left-hand section is fitted with seats in the normal way, and never stops at stations.

An icon in the shape of an angle pointing down. Watch these three runners race a London Underground train to the next station.

A Canadian company has unveiled plans for a fully electric train-style vehicle which could travel at 1,000 kilometers per hour and, it claims, would cost less than a plane ticket to travel on.