• Interstate 30/Interstate 635, near Dallas, Texas. Photo courtesy DFWFreeways.info (http://bit.ly/oAVdJF)
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  • Chicago's Circle Interchange, where I-90/I-94 and I-290 meet, as viewed from the Sears Tower; photo by SkyScraperCity.com user ChrisZwolle. (http://www.skyscrapercity.com/showpost.php?p=21908888&postcount=2433)
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  • Interstate 10 at the Interstate 610 Loop in Houston, Texas. Photo courtesy HoustonFreeways.com (http://www.houstonfreeways.com/i10_photo_report_westbound.html)
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