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The Colorado Department of Transportation recently completed construction of the new I-25 Greenland Wildlife Overpass near Larkspur, which is among North America’s largest wildlife overpasses; work that included covering the structure’s surface with dirt and vegetation. [Above photo by the Colorado DOT] Some 76 girders hold up the deck of this overpass – completed in less than More

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The Pennsylvania Department of Transportation is encouraging  businesses statewide to join the department’s Sponsor-A-Highway program and keep the state’s roadways clean as the 2026 tourism season is expected to bring more than 209 million travelers to Pennsylvania. [Above photo by PennDOT] Some 55 businesses currently participate in the program, which began in 2000; cleaning more than More

CULTURAL RESOURCES

MetroCard Art: Swiping Beauty From The Mundane (CBS Sunday Morning (video))

Photos of the dirty 1970s will make you appreciate the EPA (Los Angeles Times (essay))