Electric Trams Shuttle Freight around European Cities August 16, 2017 / Dave / News https://www.theguardian.com/sustainable-business/2017/jul/21/electric-trams-cities-groceries-europe-edinburgh-dresden
Croydon traffic has declined by 1/5 since the tram was introduced, 25% of passengers have switched from car to tram 4 years ago
likely fuel operating cost of a hydrogen fuelled, Tig/m tram / light rail from offshore wind and electrolysis 1 year ago
How Green Wave traffic signal pre-emption / traffic light pre-emption gets trams through traffic on the London Road, Bath 5 years ago