Beverly Hills is taking advantage of empty streets by accelerating construction on the Purple Line Subway extension currently cutting its way across Los Angeles. More cities should follow Beverly Hills' lead.
High population density is viewed as an environmental benefit in terms of decreasing emissions, particularly from transportation, but from the public health perspective of containing the spread of COVID-19, it might be a significant negative.
When it comes to containing the spread of the deadly coronavirus, China and Italy are demonstrating the use of lockdowns and quarantines. South Korea has gone a different route, using widespread testing administered in drive-through facilities.