I'm want to do an import of the trail system in various National Forests in New Mexico, starting with the Lincoln National Forest. One thing in the Forest Service shapefiles I want to make part of the import is trail numbering.
However, I haven't found much information on how this is done for National Forests in the USA. The wiki page (see below) mentions route_no= and trail_no=, but there's no other mention of these in the wiki, nor am I able to find them actually used in the USA. Going through the list of forests for which trails are imported: http://wiki.openstreetmap.org/wiki/US_Forest_Service_Data I found the Access Trial in the Chattahoochee-Oconee National Forest National Forest (northern Georgia): http://osm.org/go/ZSFjcox1-- it's tagged with: * attribution: USFS * bicycle: no * foot: yes * highway: path * horse: no * motorcar: yes * motorcycle: yes * name: Access Trail * ref: FS Trail 93A * source: USFS_import_v0.2_20090219110826 * USFS:systemname: Beasley Knob * USFS:way_id: 34 I've not seen trail numbering done outside of Georgia. One thing I'm worried about is whether forest trail numbering is unique (i.e. 93A). For example, a trail in Lincoln National Forest (several thousand miles away from Georgia) is numbered "44". Do others have thoughts on this? My plans for tagging are: * name: "Trail N" for numbered trails without common names. My shapefiles don't have common names, i.e. Access Trail or Crest Trail, so I'll have to copy these from other FS maps. * ref: "N". This is different than the Georgia import… a decision I'm making in the interest of elegance/simplicity. If trail numbers are not unique, then there's no point having "FS Trail" there. -- Samat K Jain <http://samat.org/> | GPG: 0x4A456FBA Remember, it takes 42 muscles to frown and only 4 to pull the trigger of a decent sniper rifle. -- None (10)
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