| Ex. MET-BAL-105 | MDOT MTA COVID-19 service reductions, boarding rules and face-covering requirement (agency web notice, captured Apr. 17, 2020)MDOT MTA Coronavirus (COVID-19) page: service status and face-covering requirement | Maryland Department of Transportation, Maryland Transit Administration | Baltimore region (MDOT Maryland Transit Administration: Local Bus, Light RailLink, Metro SubwayLink, MobilityLink, Commuter Bus, MARC)Sector regulator | Apr. 17, 2020 | 2020 Q22020 Q3 | Face-covering requirementTravel and quarantineOther | Primary source read | |
| Ex. MET-DCM-070 | Metrobus rear-door boarding directive (news release of March 23, 2020)Metrobus implements rear-door boarding (effective March 24, 2020) | Metro General Manager/CEO Paul J. Wiedefeld | WMATA (Washington Metropolitan Area Transit Authority; D.C., Maryland and Virginia compact agency)Sector regulator | Mar. 23, 2020 | 2020 Q22020 Q32020 Q4 | Travel and quarantineOther | Confirmed from a secondary source | |
| Ex. MET-BAL-106 | MDOT MTA COVID-19 page (captured Sept. 28, 2020): face coverings required; front-door boarding resumed July 12; Transit Store reopened Aug. 31MDOT MTA Coronavirus (COVID-19) page, September 2020 | Maryland Department of Transportation, Maryland Transit Administration | Baltimore region (MDOT MTA)Sector regulator | Sept. 28, 2020 | 2020 Q32020 Q4 | Face-covering requirementTravel and quarantineOther | Primary source read | |
| Ex. MET-DCM-073 | COVID-19 Pandemic Recovery Plan (phased service restoration)Metro's COVID-19 gradual recovery plan (May 2020) | WMATA (General Manager/CEO) | WMATASector regulator | May 14, 2020 | 2020 Q22020 Q32020 Q4 | Face-covering requirementTravel and quarantineOther | Confirmed from a secondary source | |
| Ex. MET-DCM-071 | Face covering requirement for all Metro customers (announced May 2020)Face coverings required on Metro (Metrorail, Metrobus, MetroAccess) | WMATA | WMATASector regulator | May 14, 2020 | 2020 Q22020 Q32020 Q42021 Q1 | Face-covering requirementTravel and quarantine | Confirmed from a secondary source | |
| Ex. MD-050 | MDH Amended Directive and Order Regarding Various Healthcare Matters, No. MDH 2020-12-17-01 (traveler testing and quarantine; testing framework; hospital surge and visitation)Amended Directive and Order Regarding Various Healthcare Matters | Dennis R. Schrader, Secretary of Health | MarylandSector regulator | Dec. 17, 2020 | 2020 Q42021 Q1 | Travel and quarantineHealth care ordersQuarantine and isolation | Primary source read | |
| Ex. MET-BAL-107 | MDOT MTA COVID-19 page (captured July 12, 2021): masks required for the duration of every ride; Express BusLink and LocalLinks 38 and 92 suspended; MARC on R schedules; Commuter Bus reductionsMDOT MTA Coronavirus (COVID-19) page, July 2021 | Maryland Department of Transportation, Maryland Transit Administration | Baltimore region (MDOT MTA)Sector regulator | July 12, 2021 | 2021 Q3 | Face-covering requirementTravel and quarantineOther | Primary source read | |