Overcrowding

New development is poised to add thousands of riders to D.C.'s Metro, but rush hour trains are often packed already. Though Metro has proposed $6 billion in fixes, some see better land use planning across the area as the key to solving the problem.
Oct 15, 2013   The Washington Post
In spite of international recognition from planners and transit officials, Bogotá's bus rapid transit system faced riots this month over high fares and overcrowding, Eric Jaffe reports.
Mar 24, 2012   The Atlantic Cities
John B. Calhoun wrote in the 70s about studies he'd conducted that looked at how mice would react when "overcrowded". Since his utopias often turned ugly, he (and many others) extrapolated the results to humans, giving density a bad name.
Aug 29, 2011   CABINET
<p>In the sprawling Atlanta region, some and bus lines are experiencing overcrowding due to the soaring number of transit commuters.</p>
Apr 19, 2008   Atlanta Journal Constitution