Dozens of buildings in Chicago's Loop offer ways for pedestrians to keep out of the snow and cold. This map shows both the city's (mostly underground) Pedway system (in magenta) and various lobbies and department stores (in yellow) that offer weatherproof passage during weekday business hours.

Excerpted from Downtown Chicago Plus, produced by Chicago CartoGraphics and published by Great Pacific Maps. Available at some downtown Walgreens stores, the Chicago Architecture Foundation, and online from Amazon.