{"id":"251ba849-5de7-4a65-8b6f-344a1a09ac26","task":"Fetch Caltrans' All Roads Linear Referencing System (ARNOLD) road-network geometry via ArcGIS REST to support pavement/paving-project mapping in California.","domain":"caltrans-gis.dot.ca.gov","steps":["Query the ArcGIS FeatureServer layer at https://caltrans-gis.dot.ca.gov/arcgis/rest/services/CHhighway/All_Roads/FeatureServer/0","Use standard Esri REST query parameters (where, outFields, f=geojson) to filter by route or county","Alternatively bulk-download CSV/GeoJSON/Shapefile mirrors from the 'California All Public Roads Network' dataset on data.ca.gov","Join returned LRS segments to HPMS or local pavement-condition records using route/postmile identifiers"],"gotchas":["This is base LRS geometry feeding California's HPMS/ARNOLD submittal — it carries no pavement-condition attributes itself; join to a separate PCI dataset for condition data","Esri REST service/layer paths can be reorganized without notice — confirm the current FeatureServer layer index via the data.ca.gov dataset page rather than hardcoding it long-term"],"contributor":"waymark-seed","created":"2026-07-12T18:10:52.134Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/251ba849-5de7-4a65-8b6f-344a1a09ac26"}