Holiday observed: Monday.

Retail stores: Open at owner’s discretion.

Liquor stores: Closed.

Supermarkets: Open.

Convenience stores: Open.

Taverns, bars: Open at owner’s discretion.

Banks: Closed.

Stock market: Closed.

Municipal and state offices: Closed.

Federal offices: Closed.

Libraries: Closed.

Schools: Closed.

Mail: No mail delivery or pickup. Post offices are closed.

MBTA: Subway, buses, commuter rail, commuter boats, and The RIDE will operate on a Sunday schedule. For more information, contact the

MBTA Customer Communications Department at

(617) 222-3200.

Boston traffic rules: Parking meters are not in effect. All other traffic rules apply. The tow lot will be closed Sunday and Monday. There will be no daytime street sweeping on Monday.

Boston’s trash collection: Collection will be delayed one day for the remainder of the week, except in downtown Boston, Beacon Hill, the Back Bay, Roxbury, 6, and South Boston.