| Ex. MET-CHI-044 | COVID-19 Public Health Order for Shelter in PlaceOrder for Shelter in Place | Public Health Director Mike Charley, Department of Public Health, Village of Oak Park | Village of Oak Park, Cook County, IllinoisCity | Mar. 18, 2020 | 2020 Q2 | Stay-at-homeBusiness closureGathering capTravel and quarantineEvents and venues | Primary source read | |
| Ex. MET-CHI-050 | CTA coronavirus operating rules: passenger capacity limits, rear-door boarding, mask requirement (agency page as archived June 2, 2020)CTA - Coronavirus (COVID-19) information: service, capacity limits, rear-door boarding, masks | Chicago Transit Authority, in conjunction with the Chicago Department of Public Health | Chicago Transit Authority service area (Chicago and 35 suburbs)Sector regulator | June 2, 2020 | 2020 Q22020 Q32020 Q42021 Q1 | Capacity limitFace-covering requirementTravel and quarantine | Confirmed from a secondary source | |
| Ex. MET-CHI-019 | Public Health Order No. 2020-10Quarantine Restrictions on Persons Entering Chicago from High Incidence States (Emergency Travel Order) | Commissioner of Health of the City of Chicago | City of Chicago, IllinoisCity | July 2, 2020 | 2020 Q32020 Q42021 Q12021 Q2 | Travel and quarantineQuarantine and isolation | Primary source read | |
| Ex. MET-CHI-020 | Public Health Order No. 2020-10 (Re-issued)Quarantine Restrictions on Persons Entering Chicago from High Incidence States | Commissioner of Health of the City of Chicago | City of Chicago, IllinoisCity | Nov. 13, 2020 | 2020 Q42021 Q12021 Q2 | Travel and quarantineQuarantine and isolation | Primary source read | |
| Ex. MET-CHI-024 | Stay-at-Home Advisory and Additional COVID-19 Alerts and RegulationsStay-at-Home Advisory | Mayor Lori E. Lightfoot with the Commissioner of Health (Official Advisory from the Mayor of the City of Chicago) | City of Chicago, IllinoisCity | Nov. 12, 2020 | 2020 Q42021 Q1 | Stay-at-homeCapacity limitGathering capTravel and quarantineCurfew and hoursEvents and venues | Primary source read | |
| Ex. MET-CHI-025 | Stay-at-Home Advisory (Amended, Re-issued and Effective January 20, 2021)Stay-at-Home Advisory and Additional COVID-19 Alerts and Regulations | Mayor Lori E. Lightfoot with the Commissioner of Health | City of Chicago, IllinoisCity | Jan. 20, 2021 | 2021 Q1 | Stay-at-homeGathering capTravel and quarantineCurfew and hoursEvents and venues | Primary source read | |
| Ex. MET-CHI-032 | Chicago Emergency Travel Order / Travel Advisory State-by-State List (July 20, 2021)Chicago Emergency Travel Order State by State List | Chicago Department of Public Health | City of Chicago, IllinoisCity | July 20, 2021 | 2021 Q3 | Travel and quarantine | Primary source read | |
| Ex. MET-CHI-051 | Metra COVID-19 operating rules: mask mandate and alternate schedules (agency page as archived Aug. 2, 2021)Metra - Coronavirus: face coverings required; alternate weekday and Sunday/holiday weekend schedules | Commuter Rail Division of the Regional Transportation Authority (Metra) | Metra commuter rail service area (Cook and the five collar counties)Sector regulator | Aug. 2, 2021 | 2021 Q3 | Face-covering requirementTravel and quarantineOther | Confirmed from a secondary source | |