| Ex. MET-BOS-090 | MBTA schedule revisions: all services on a reduced schedule effective March 17, 2020 until further noticeMBTA Announces Schedule Revisions to Take Effect Tuesday, March 17 (posted March 16, 2020) | MBTA (General Manager Steve Poftak) | Massachusetts Bay Transportation Authority (Boston metropolitan transit)Sector regulator | Mar. 16, 2020 | 2020 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. MET-BOS-091 | MBTA notice: MBTA discourages all non-essential travelMBTA Discourages All Non-Essential Travel (posted March 23, 2020) | MBTA | Massachusetts Bay Transportation AuthoritySector regulator | Mar. 23, 2020 | 2020 Q2 | Travel and quarantineOther | Confirmed from a secondary source | |
| Ex. MET-BOS-092 | MBTA face-covering requirement for all customers effective May 6, 2020 (with rear-door boarding and disinfection protocols)Executive Order for Face Coverings Takes Effect Wednesday, May 6 (posted May 5, 2020) | MBTA (implementing COVID-19 Order No. 31) | Massachusetts Bay Transportation AuthoritySector regulator | May 5, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-BOS-093 | MBTA notice: face covering enforcement takes effect November 6, 2020Face Covering Enforcement Takes Effect November 6 (posted November 6, 2020) | MBTA | Massachusetts Bay Transportation AuthoritySector regulator | Nov. 6, 2020 | 2020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Confirmed from a secondary source | |
| Ex. MET-BOS-094 | FMCB approval of Forging Ahead short-term service reductions for FY21 (commuter rail and ferry from January 2021; bus and rapid transit from March 2021)MBTA Control Board Approves Short-Term Service Changes to Match Current Low Ridership Patterns (posted December 14, 2020) | MBTA Fiscal and Management Control Board (FMCB) | Massachusetts Bay Transportation AuthoritySector regulator | Dec. 14, 2020 | 2021 Q12021 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. MET-BOS-095 | MBTA reminder: face coverings required on all MBTA vehicles, stations and platforms regardless of vaccination status; refusal grounds for denial of boarding or removalReminder: Face Coverings Are Required on MBTA Vehicles, Stations, Platforms (posted May 14, 2021) | MBTA (applying the CDC conveyance mask order, 86 Fed. Reg. 8025, and TSA security directives) | Massachusetts Bay Transportation AuthoritySector regulator | May 14, 2021 | 2021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |