Residential Density

Although Manhattan has seen in influx of skyscrapers since 1910, overall residential density has shrunk since then.
Sep 25, 2014   Vox
What, exactly, makes a neighborhood walkable? A new study published in the science journal PLOS-ONE begins to answer that question.
Feb 8, 2014   Streetsblog USA
Prevailing wisdom is that transit mode and frequency of service is dependent on residential density, which leaves low density, outer suburbs in a lurch, instilling an auto-dependent lifestyle. Not so, says Australian researcher and author Paul Mees.
Jan 5, 2011   The Age: Victoria