# Long-trail record. Field meanings: docs/schema.md in this repository.

id = "idaho-centennial"
name = "Idaho Centennial Trail"
short_name = "ICT"
country = "US"
regions = ["ID"]
length_km = 1448
length_note = "about 900 mi published"
tier = "regional"
designation = "State of Idaho trail"
wave = 1

[source]
status = "osm-only"
publisher = "Idaho Department of Parks and Recreation"
publisher_url = "https://services1.arcgis.com/CNPdEkvnGl65jCX8/arcgis/rest/services/Idaho_Centennial_Trail_(Official_Route)_view/FeatureServer/52"
url = "https://www.openstreetmap.org/relation/10758083"
discovery = "osm-relation-version: Overpass `rel(10758083,19215740); out meta;` (version and timestamp), or the Geofabrik replication diff; fetch again when it changes"
format = "Two OpenStreetMap route relations (10758083 and 19215740), read through Overpass with all member ways"
crs = "EPSG:4326"
licence = "ODbL-1.0"
licence_text = "OpenStreetMap contributors, ODbL 1.0 (share-alike). Credit: © OpenStreetMap contributors. The OpenStreetMap copyright page states: 'You are free to copy, distribute, transmit and adapt our data, as long as you credit OpenStreetMap and its contributors.' (https://www.openstreetmap.org/copyright, read 2026-11-09). The track included here is from OpenStreetMap, relation 10758083. The publisher's own track is not licensed for redistribution and is not used."
attribution = "OpenStreetMap contributors (ODbL)"
osm_only = true
mainline = "OpenStreetMap holds no whole-trail relation. 10758083 'Idaho Centennial Trail (West)' is the west half; 19215740 adds a short piece at Upper Priest Lake. Both are in line.geojson; no alternates are mapped."
decision = "included-named"
decision_text = "Included with its name and logo. The track is from OpenStreetMap."
source_checked = "2026-11-09"
redistributable = true
line_source = "OpenStreetMap"
line_file = "line.geojson"
length_gap_note = "OpenStreetMap holds less than half the trail: relation 10758083 ('Idaho Centennial Trail (West)') and the short relation 19215740 give 292.5 km in 5 parts, 79.8% short of 1,448 km (about 900 mi). No whole-trail relation is mapped."

[osm]
relation = 10758083
note = "10758083 is the west half and 19215740 a short piece at Upper Priest Lake; 83 ways in all. Downloaded 2026-11-09."

[shield]
status = "logo-not-found"
logo_source = ""
contact = "Idaho Department of Parks and Recreation"
note = "No trail logo file found: Idaho Parks and Recreation publishes the agency logo, not an Idaho Centennial Trail emblem. Retried 2026-11-08: idahoparks.org is a scripted site that exposes no logo file, the State of Idaho's ArcGIS item thumbnail is a map preview, and Idaho Trails Association and Commons have no ICT emblem."
logo_file = ""
logo_owner = "Idaho Department of Parks and Recreation"

[verification]
verified = true
date = "2026-11-09"
measured_km = 292.5
difference_percent = -79.8
parts = 5
note = "OpenStreetMap holds the west half only: 292.5 km in 5 parts, 79.8% short of 1,448 km."