Interesting – the info on Wikipedia suggests a minimum time interval before melt as 1000 years, is it possible sooner?
Just a couple of posts back:
Toronto trains are trams on steroids
Over here, our commuter trains are trams on downers, and that’s on a good day!
And someone from Reddit said trackless trams are glorified buses. It matters little in the end what mode is best, other than bike compatibility in road sharing. And ease of use for cyclists travelling long distances- it takes a good dose of courage for a cyclist to take a bike on a commuter train that has standing room only!