Enforcement

Every year, Transport for London helps make billions of road journeys congestion-free - but could it do better? Digital twin and graph technology are starting to make London less congested and greener, says database expert Aaron Holt

Riders in Senegal's capital can use Calypso cards, contactless tickets and QR code tickets

All Theia’s lenses are able to identify plates at a variety of speeds and distances

US city has been replacing ageing meters with solar-powered pay-by-plate stations

Supporters collectively walked and cycled nearly 10 times further than 1,766-mile goal