FILL-R-UP ARKANSAS — V19.2 RESEARCH SOURCE REGISTER Updated: 2026-08-23 ARKANSAS ROADS / GIS - ARDOT Road Inventory OnSystem FeatureServer: https://gis.ardot.gov/referenced/rest/services/SIR_TIS/Road_Inventory_OnSystem/FeatureServer/0 - ARDOT RoadInvDissolves: https://gis.ardot.gov/referenced/rest/services/SIR_TIS/RoadInvDissolves/FeatureServer - iDrive Arkansas: https://www.idrivearkansas.com/ ACCESSIBILITY - WCAG 2.2: https://www.w3.org/TR/WCAG22/ - W3C What's New in WCAG 2.2: https://www.w3.org/WAI/standards-guidelines/wcag/new-in-22/ - U.S. Access Board EV charging guidance: https://www.access-board.gov/tad/ev/ NETWORK / API STANDARDS - MQTT 5.0 OASIS Standard: https://docs.oasis-open.org/mqtt/mqtt/v5.0/mqtt-v5.0.html - OpenAPI Specification: https://spec.openapis.org/oas/ PUBLIC PLACE / ENERGY DATA - OpenStreetMap: https://www.openstreetmap.org/ - Overpass API: https://wiki.openstreetmap.org/wiki/Overpass_API - NLR Alternative Fuel Stations API: https://developer.nlr.gov/docs/transportation/alt-fuel-stations-v1/nearest/ - NLR stations near route: https://developer.nlr.gov/docs/transportation/alt-fuel-stations-v1/nearby-route/ WORKFLOW / PRODUCT RESEARCH - GasBuddy help: https://help.gasbuddy.com/ - PlugShare help: https://help.plugshare.com/ - A Better Routeplanner: https://abetterrouteplanner.com/ - fuelService: https://fuelservice.org/en-us/ ARCHITECTURE NOTES - MQTT over TLS/WSS is the normal event transport; SSH may be used for administrative/bastion or special tunneling cases but is not required around every MQTT connection. - OpenAPI describes the API contract; it does not imply a relational database layout by itself. - ARDOT public GIS is used as road-reference context. Current traveler conditions remain an official iDrive/authorized-feed concern. - Sensor observations supplement, but do not certify, physical accessibility.