[Tagging] [Talk-us] National Forest trail numbering

[Alan Mintz]

At 2010-08-16 00:24, Samat K Jain wrote:
>On Monday, August 16, 2010 01:03:17 am, Alan Mintz wrote:
> > For Forest Highways (generally major paved roads): ref=FH nn (e.g.
> > name=Angeles Crest Highway + ref=FH 61).
> > For Forest Roads/Routes/Truck Trails: ref=FR yDxx (e.g. name=Upper Monroe
> > Road + ref=FR 2N16)
> > For Forest Trails: ref=FT yDxx (e.g. name=Heaton Flat Trail + ref=FT 8W16)
>
>What are 'y' and 'D' for forest roads and trails?

In southern California at least, USFSroads are numbered with yDxx, where yD 
is the PLSS[0] township in which the north (?) end of the road lies and xx 
is a serial number. Trails are numbered xDyy, where xD is the PLSS range in 
which the trailhead is found and yy is a serial number.

[0]http://en.wikipedia.org/wiki/Public_Land_Survey_System

--
Alan Mintz <Alan_Mintz+OSM at Earthlink.net>