For almost two generations of Chicagoans, orange has been the color of night. High pressure sodium vapor lights, which create a glow reminiscent of a tire fire, have lit Chicago since the 1970s.

The city faces criticism for issuing red light camera tickets at intersections where yellow lights fall slightly short of the city’s 3-second policy. And many traffic engineers say the lights ...

Though the northern lights likely won’t dazzle Chicago skies this week, to Nichols, the overall beauty of the phenomenon is watching what is essentially the sun touching Earth’s magnetic field.

EAST CHICAGO — The East Chicago City Council wants more streetlights in the city. Where they would go is under discussion. The issue came up as the council considered an additional appropriation ...

After a six-year debate, Chicago City Council approved on Feb. 25, 1988, ... Vintage Chicago Tribune: How Wrigley Field got lights and why Cubs fans had to wait past 8-8-88 to raise ‘W’ flag.