OFFLINE SURVIVAL HUB — ILLINOIS — CHICAGO & NORTHERN ILLINOIS MAP PACK (1.0.1-20260924) map.pmtiles Vector basemap © OpenStreetMap contributors, licensed under the Open Database License (ODbL): https://opendatacommons.org/licenses/odbl/ Cut out of the Illinois basemap, which has no building outlines or land-use shading, to -90.7, 40.8, -87.4, 42.6 (west, south, east, north). Every road, street name and address inside that box is the same as the state pack's. See scripts/build-regions.mjs. names.sqlite Place names from the USGS Geographic Names Information System (public domain). Search with SQLite FTS5 (porter tokenizer). streets.sqlite Address search, walking and driving directions, and help nearby. Roads, turn restrictions, address points and places © OpenStreetMap contributors (ODbL), from https://download.geofabrik.de/north-america/us/illinois-latest.osm.pbf (md5 ceddf302d00ea9ca405cf4248c60286d). Street address ranges and town boundaries from the US Census Bureau TIGER/Line 2025 (county 17031 from 2024) files (public domain). See scripts/build-streets.mjs in the Offline Survival Hub source for how it is made. Data is provided "as is" — roads, trails, addresses and places can be wrong, closed or out of date. Directions cannot know about closed, flooded or blocked roads. Do not rely on any single map in an emergency. Apps displaying map.pmtiles must show "© OpenStreetMap contributors" on the map. These pack files are also available free of charge from our public mirror, satisfying ODbL parallel-distribution terms.