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
The physical permanence of the rails and their inflexibity has a much bigger impact on developers and investors 5 years ago
Difficulties, problems and failures with Bus Rapid Transit Busways in the UK From Bob Chard 7 years ago