The Chief Executive: Beware TFL Contactless Payment overcharging with Credit Cards
London transport fares: Cut in pay-as-you-go Oyster - BBC News
2015 Transport Fares: Good News For Pay As You Go | Londonist
Greens' Berry wants to end TfL's unfair fares for outer London | Inside Croydon
Oyster card - Wikipedia
Use contactless payments for Transport for London (TfL) - Google Wallet
TfL plans weekly cap on pay-as-you-go Oyster cards in contactless fare dispute | London Evening Standard | Evening Standard
Testing The New Oyster Capping – Oyster Fares Central
Oyster card weekly cap will be introduced next week (six years after it was first promised)
Contactless payments due for Tube network - BBC News
Pay as you go caps - Transport for London
Oyster Cards Vs. Contactless Payment
Second anniversary of London's contactless revolution
Transport for London launches illustrative fares campaign - Design Week
Contactless payments set to launch on TfL - Payments Cards & Mobile
Ditching Oyster will save you money - London's new contactless payments explained | Expert Reviews
Transport for London's contactless and mobile device payments system will be adopted in some American cities | ZDNET
Transport for London introduces weekly capping for Oyster cards
public transport - Travelling in London: Oyster card or Travelcard? - Travel Stack Exchange
Huge change to London Underground and train fares as Oyster capping goes weekly - MyLondon
The contactless trick to save money on the tube in London and avoid paying more than a weekly travelcard | This is Money
