Jun 4, 2014 — The I-495 bridge in Wilmington, Del., usually carries 90,000 vehicles per day. But it's empty now, as engineers try to discover what's causing eight support pillars to lean.
Jul 31, 2013 — Work will begin next year in Riyadh, Saudi Arabia, on what's touted as the world's biggest investment in public transportation. The biggest impact is likely to be social, providing greater independence and affordable transportation options for women — who are forbidden from driving — and the poor.
May 2, 2013 — Getting groceries delivered may be the easiest environmentally friendly thing you've ever done, new research says. Think of it as your food taking mass transit.
Jul 3, 2012 — Cities are defined, in large part, by physics. It may not be obvious at first glance. But look closer and you'll see evidence everywhere that humans have used their understanding of physics to design and build the machines we call cities.
Oct 29, 2010 — Investigators are examining cargo planes in the northeastern U.S. after British inspectors found a suspicious package on a United Parcel Service plane en route from Yemen to Chicago, according to reports.