It depends on where in Hertfordshire and where in London. The county of Hertfordshire adjoins London, so theoretically you could just step over the boundary line.
if it has the London transport symbol on the card then yes (the symbol normally is thought of as the London underground logo)
By introducing a congestion charge in Central London to encourage people to use public transport and leave their cars at home.
They are sustainable by having plenty of public transport and are encouraging people to use them.
You can use your oyster card the Tube, DLR, London Overground and most National Rail services within London.
In London the folloing means of transport are to be found:WalkingHorse ridingHorses and carriagesBicyclingBoating (on the river and canals)BusesCarsTaxisBicycle rickshawsTrainsUnderground trains (the tube)TrucksAircraft and helecoptersUnderground trains and busses are popular for general transport, particularly for commuting. A very high proportion of the cars are taxis.
Unlocked smartphones may be purchased on ebay for use in London. If you look there, you should be able to find a unlocked smartphone for sale to use in London.
You have to use the Piccadilly Line of London Underground which serves all of Heathrow's Terminals.
Leave them as they are
You can get an oyster card which you can use on all forms of transport in the capital or a daily travelcard. But you can't use a ticket you buy at a bus stop on a tube as well.
London's road transport system is extensive and includes a network of roads, bus services, and taxis. The iconic red double-decker buses provide a crucial means of public transport, while the London congestion charge encourages reduced vehicle use in central areas. Taxis, including the famous black cabs, offer metered services throughout the city. Additionally, London is well-connected by major roads and motorways, facilitating both local and long-distance travel.
When your hands were contaminated during the work or after public transport.
When your hands were contaminated during the work or after public transport.