| Ex. MET-DEN-044 | Rear-door boarding and suspension of fare collectionRTD to implement rear-door boarding starting Sunday following revised safety guidance (RTD release, 04.03.2020; archived capture) | RTD (General Manager and CEO) | Regional Transportation DistrictSector regulator | Apr. 3, 2020 | 2020 Q22020 Q3 | Travel and quarantineWorkplace rules | Primary source read | |
| Ex. MET-DEN-043 | Board approval of the COVID-19 Service Change Plan: 40 percent service reduction effective April 19, 2020RTD Board approves COVID-19 service reductions to start April 19 -- regular service continues until then (RTD release, 03.25.2020; archived… | RTD Board of Directors (action of Mar. 24, 2020; release of Mar. 25, 2020) | Regional Transportation District (eight-county Denver metro transit district)Sector regulator | Mar. 24, 2020 | 2020 Q22020 Q32020 Q4 | Travel and quarantine | Primary source read | |
| Ex. MET-DEN-045 | RTD face-covering policy for all bus and rail operators; rider face-covering request; vehicle capacity limits; fare suspension to July 1, 2020For everyone's safety, RTD asks all riders to wear a face covering: Agency requires all bus, rail operators to do the same (RTD release… | RTD | Regional Transportation DistrictSector regulator | Apr. 24, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q2 | Capacity limitFace-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-DEN-046 | Rider face-covering requirement on buses, trains, stations and stopsFace coverings: the simple and important tool we can all use to protect one another (RTD, July 13, 2020) | RTD | Regional Transportation DistrictSector regulator | July 13, 2020 | 2020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-DEN-035 | Husch Blackwell 'Colorado: State-by-State COVID-19 Guidance' tracker (live page rendered Sept. 26, 2026; updates through Apr. 15, 2021)Colorado State-by-State COVID-19 Guidance | Husch Blackwell LLP (law-firm tracker) | Colorado (statewide tracker with Denver entries)Sector regulator | Apr. 15, 2021 | | Other | Confirmed from a secondary source | |
| Ex. MET-DEN-047 | Lifting of vehicle capacity limits with the June 13, 2021 service change; masks remain required under the federal mandateRTD lifts capacity limits on its vehicles as service changes take effect Sunday (RTD release, 06.10.2021; archived capture) | RTD | Regional Transportation DistrictSector regulator | June 10, 2021 | 2021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-DEN-034 | RTD release: Mask Mandate Still In EffectMask Mandate Still In Effect (RTD news release PDF, July 14, 2021) | RTD | Regional Transportation DistrictSector regulator | July 15, 2021 | 2021 Q3 | Face-covering requirementTravel and quarantine | Confirmed from a secondary source | |