Early in the pandemic, bike sales soared and vehicle miles traveled plummeted. As people have been driving more, more people have also been infected with the novel coronavirus.

Andy Olin provides a really thorough overview of the mobility trends in the United States since the outset of the COVID-19 pandemic in March.
The narrative is summarized thusly:
Traffic levels fell dramatically throughout the Houston metro area as people were ordered to stay at home and businesses were closed to mitigate the spread of COVID-19 — and it worked. But, as the economy was reopened and people returned to work, restaurants, bars, beaches and more, traffic levels and infection rates increased.
The article includes a mountain of data on bike sales and use, traffic and vehicle miles traveled, and air quality, providing specific examples from around the country and the nation as a whole, before drilling down on air quality data in the Houston area. Much of the information in the article has been reported before in separate media outlets and news coverage, but here we have all the relevant data in one place, clearly put in context and analyzed for potential implications.
But the article also includes a bombshell revelation that could potentially upend the ongoing narrative about density and transit being the most conductive modes for transmission of the coronavirus: when people drive more, more people are infected with the coronavirus.
FULL STORY: Traffic dropped 66%, but it came back and the coronavirus followed

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‘Complete Streets’ Webpage Deleted in Federal Purge
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The VW Bus is Back — Now as an Electric Minivan
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San Diego to Rescind Multi-Unit ADU Rule
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Electric Vehicles for All? Study Finds Disparities in Access and Incentives
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Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
City of Albany
UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research