Under 5s travel free. As the transport networks grind to a halt at around midnight, the night buses take over. Look for the 'N' sign at the bus stop or on the bus. Most of these buses pass through Trafalgar Square and this is the best place to head. Unfortunately this is also where most of late night London heads, so be patient.
Night buses are more expensive than the usual fare.
Travelling by cab is the most pleasurable method of transport in London. Hail a cab if the yellow 'For Hire' sign is switched on. Cabs are metered and have fixed charges. The Railway Best for heading out of town, choose the station that services the line that is most appropriate. Telephone the station of choice to request more information about services to other stations and fares.