In message <g6sn1o$fr1$1$8302bc10@news.demon.co.uk>, at 16:51:21 on Thu, 
31 Jul 2008, John Rowland  
remarked:
>> I'd be a bit surprised if you could get planning permission to build a
>> new bridge that's too low for a bus, over an existing street.
>
>I think you could, for a railway.

Rebuild a bridge to the same height as before - but a brand new low 
bridge?? What kind of railway would that be, anyway?
-- 
Roland Perry