A rail journey is rarely an end in itself but almost always part of a journey 'chain' which include access to and egress from the railway station. The integration of the rail-journey components is essential to achieving a continuous travel, door-to-door, when using the rail and to make the rail...

To keep load factors high while offering high frequency service, airlines tend to reduce the size of the aircraft they use. At many of the world’s largest airports there are fewer than 100 passengers per air transport movement, although congestion and delays are growing. Furthermore, demand...