Case studies led by global urban planning researchers Ralph Buehler of Virginia Tech and John Bucher of Rutgers University track what more than a dozen cities have done in recent decades, and specifically during the pandemic, to improve pedal-powered commutes and recreation…

Some steps have phased out as the virus has faded, like many of the temporary “pop-up” bike lanes that appeared as if overnight. But many have stuck, thanks to an increase in lanes with permanent barriers against traffic, central arteries where cars can’t go, and other concessions to a pent-up demand to get around without gas…

Here are snapshots of what some of the most ambitious pro-cycling cities on three continents have done for cycling before and during the pandemic. The findings are drawn principally from the MIT-published book “Cycling through the COVID-19 Pandemic to a More Sustainable Transport Future