-=> Quoting Kevin Fletcher to Gregory Procter <=-
 KF> i believe it means degrees of curvature per 100 feet ( just like
 KF> measuring inclines )
Thanks for the reply Kevin,
      your comment in brackets surprised me though. I thought US gradients 
were
      normally measured as (X) percent, as in 1 foot rise in 100 feet equals 
1%.
      Is it the "change in gradient" measured in degrees? and if so, what is 

      "normal" figure?
      Greg.P.
  
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