transport Validity and special requirements for each city

London Travelcard validity

1 day Travelcards (off-peak) can be used from 9.30am Mondays to Fridays, all day Saturdays, Sundays and public holidays, on each day of validity and for any journey that starts before 4.30am on the day following the expiry date.

2 and 3 day Travelcards (off-peak) have the same rules as 1 day Travelcard and can only be used on consecutive days.

7 day Travelcards can be used at any time during the period of validity and for any journey that starts before 4.30am on the day following the expiry date.

For Paris, there is a special metro pass at a cost of $28, in includes the following features:

• Unlimited journeys on all Paris Metros, RER, Buses, Trams, SNCF Overland Suburban Trains, and the Montmartre Funicular within zones 1 – 3, which covers the entire of central Paris
• A hassle free and cost efficient day

It is so convenient that the card is activated when I first use it and remains valid for the duration of two days.Insteads,the Metro train system is open from 5:20 a.m. until 1:20 a.m.
For the other three cities, there are no such offer or special requirements on transport modes.
That's it for now.^^ bye