Ian Bicking: the old part of his blog

Re: On the subject of mass transit

Hmm. Are you sure that rail infrastructure is more expensive to maintain than road infrastructure? I always heard the opposite.

The problem is, as you say, that the road network is packet-switched whereas rail is closer to circuit-switching. Rail needs a lot more flexibility. Plus the rail network is harder to upgrade on an ad-hoc, piecemeal basis than the road network.

A couple more suggestions for upgrading the rail network :

Comment on On the subject of mass transit
by phil jones