On 21/12/11 11:49, Doctor Drivel wrote:

"Tim Streater" wrote in message
...

Straight tracks last and last.

a) The tracks are not straight. Good luck trying to straighten them

Many are and new lines should be a straight as possible.

As straight as possible is not the same as "straight".


b) Straight or not, they require *maintenance*. You may have heard of it.

Light-rail stock and superior suspension vastly reduces wear on the bends.
Maglev does not have this problem.


But it does have a whole shedload of others.