On Dec 21, 9:18*am, Tim Streater wrote:
In article ,
*"Doctor Drivel" wrote:

"The Natural Philosopher" wrote in message
...

'Just a lot of people who never grew out of train sets: hugely expensive
way to move stuff around: roads much cheaper'

Trains are very cheap and FAST being on segregated tracks.

Until one breaks down. Then the interesting inability of trains to
overtake comes into play.

--
Tim

That is where trolley buses come in.