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[48] [49] In the United States, the city of Ann Arbor, Michigan was the first metropolitan area to fully implement LED street lighting in 2006. Since then, sodium-vapor lamps were slowly being replaced by LED lamps. [50]
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Date/Time Thumbnail Dimensions User Comment; current: 02:05, 12 February 2015: 1,530 × 2,100 (157 KB): Dextorioriter: Again;something went wrong. 19:02, 10 February 2015
Chicago Pedway map (unofficial) as of 2024; Chicago Detours: Current as of 2025, a user friendly, free downloadable pdf Pedway Map; Chicago Pedway map and legend at City of Chicago as a PDF document (2013) Chicago Pedway maps made with 2010 (edited 2011) City of Chicago data and Pedway segment information at wvaughan.org
A map of the 77 community areas, broken down by purported regions. While the areas have official use and definition, the color groupings are unofficial, and such "regions" may be defined differently, grouped differently, or not be used at all. The city of Chicago is divided into 77 community areas for statistical and planning purposes.
File:20070530 Miro - Miro's Chicago (1).JPG; File:20070530 Miro - Miro's Chicago.JPG; File:20070530 Moore - Large Interior Form.JPG; File:20070530 Moose (02-03).JPG; File:20070605 BFFerguson Fountain of the Great Lakes.JPG; File:20070605 Smith - Cubi VII.JPG; File:20070605 South McCormick Court Fountains.JPG; File:20070621 Crown Fountain Glass ...
Gas lamps gradually started replacing oil street lamps in the United States, beginning in the first quarter of the 19th century. [3] The first street in the world to be illuminated by gaslight was Pall Mall in London, starting in 1807. [1] [5] The first US city to use gas street lights was Baltimore, starting in 1817. [4]