Historical Maps of Illinois and the Northwest Territory - Joint project by University of Illinois and the Follet Corporation. Features numerous annotated images of geographical maps of Illinois, counties and cities along with the Midwest.
IDOT State Road Map - Provides interactive maps of the state and can be searched by city, town or state park. Also, features printable map options, along with current and winter road conditions.
IllinoisAtlas.com - Provides freely available maps in PDF or JPEG format depicting a vast range of features. An ongoing project of the Data & Mapping Services Division of the Center for Governmental Studies at Northern Illinois University.
Mapathon Illinois - Link directory that features a selection of road maps, city street maps, parks, traffic and roadway references.
Web Cam Big Look: Illinois - Shows pictures from a variety of cameras, live; including Soldier Field (Chicago) to the Mississippi River (Rock Island) and points in between.