
1) Mobile technology
Found on
https://www.crosswordclues.com/clue/ringgo

The project by the First Group, was an early step in the trend away from the established system of paying for parking using electro-mechanical machines which dispense paper tickets – the pay and display model. Since then, several Network Rail, Chiltern Railways, South West Trains, First Capital Connect, National Express East Anglia, C2C, Transpe...
Found on
http://en.wikipedia.org/wiki/RingGo
No exact match found.