From the Background: " Public transportation is one of the essential services operating during the coronavirus disease (COVID-19) pandemic and is vital to Opening America Up Again. This document describes strategies that public transit agencies may take to protect the health and safety of transit customers and frontline employees as we continue to battle the pandemic and progress into recovery.  The following is a list of key findings and considerations for jurisdictions and communities regarding ongoing COVID-19 operations across the country. These are best practices for consideration and do not constitute and should not be considered as guidance in any way."
U.S. Federal Emergency Management Agency: https://www.fema.gov/