| Ex. AGY-AVIATION-SURFACE-054 | MBTA schedule revisions effective Mar. 17, 2020 (reduced subway, bus, Commuter Rail and ferry service under the COVID-19 emergency)MBTA Announces Schedule Revisions to Take Effect Tuesday, March 17 | Massachusetts Bay Transportation Authority (General Manager Steve Poftak) | Massachusetts Bay Transportation Authority (Massachusetts; division of MassDOT)State | Mar. 16, 2020 | 2020 Q2 | Context (guidance or announcement)Travel and quarantineOther | Confirmed from a secondary source | |
| Ex. AGY-AVIATION-SURFACE-055 | MBTA service revisions of Mar. 23-25, 2020: Commuter Rail Reduced Service Schedule modified; all non-essential travel discouragedMBTA Discourages All Non-Essential Travel (targeted adjustments to Commuter Rail capacity effective Wednesday, Mar. 25, 2020) | Massachusetts Bay Transportation Authority (General Manager Steve Poftak) | Massachusetts Bay Transportation AuthorityState | Mar. 23, 2020 | 2020 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-056 | MBTA service revision effective Monday, Apr. 6, 2020 (Saturday-level bus schedules; modified subway and Commuter Rail service)MBTA Issues Service Revision Effective Monday, April 6 (updated Apr. 3, 2020) | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation AuthorityState | Apr. 2, 2020 | 2020 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-057 | MBTA face-covering requirement effective May 6, 2020 (Executive Order for face coverings takes effect)Executive Order for Face Coverings Takes Effect Wednesday, May 6 | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation Authority (implementing the Governor's Order No. 31)State | May 5, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-058 | MBTA updated boarding protocols and resumption of standard fare collection effective July 20, 2020 (end of rear-door-only boarding instituted in March 2020; face coverings and operator-area distancing continue)Updated Boarding Protocols, Standard Fare Collection (effective Monday, July 20, 2020) | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation AuthorityState | July 14, 2020 | 2020 Q32020 Q4 | Context (guidance or announcement)Face-covering requirementWorkplace rulesOther | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-069 | MBTA 'Forging Ahead' Commuter Rail service reductions approved Dec. 14, 2020, effective Jan. 23, 2021 (weekend service eliminated on most lines; reduced weekday schedules)Commuter Rail Schedule Changes Approved in December Take Effect January 23 (2021) | MBTA Fiscal and Management Control Board (approval Dec. 14, 2020); MBTA | Massachusetts Bay Transportation Authority (Commuter Rail)State | Jan. 7, 2021 | 2021 Q12021 Q2 | Travel and quarantineOther | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-070 | MBTA Spring 2021 Commuter Rail schedules (direction set Feb. 22, 2021; schedules effective Apr. 5, 2021)MBTA Sets Direction for Spring 2021 Commuter Rail Schedules | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation Authority (Commuter Rail)State | Feb. 22, 2021 | 2021 Q22021 Q3 | Travel and quarantineOther | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-071 | MBTA notice of Apr. 30, 2021: face coverings continue to be required on MBTA vehicles, stations and platforms for all riders including the fully vaccinated; State civil fines end Apr. 30, 2021, denial of boarding and removal continueReminder: Face Coverings Continue To Be Required on MBTA Vehicles, Stations and Platforms | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation AuthorityState | Apr. 30, 2021 | 2021 Q22021 Q3 | Context (guidance or announcement)Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. AGY-AVIATION-SURFACE-072 | MBTA notice of May 14, 2021: face coverings required on vehicles, in stations and facilities, on platforms and at bus stops for all riders regardless of vaccination statusReminder: Face Coverings Are Required on MBTA Vehicles, Stations and Platforms | Massachusetts Bay Transportation Authority | Massachusetts Bay Transportation AuthorityState | May 14, 2021 | 2021 Q22021 Q3 | Context (guidance or announcement)Face-covering requirementTravel and quarantine | Primary source read | |