What's closed, open on Patriots Day

Holiday observed: Tomorrow.

Retail stores: Open at owners' discretion.

Liquor stores: Open.

Supermarkets: Open.

Convenience stores: Open.

Taverns, bars: Open.

Banks: Open at banks' discretion, most closed.

Stock market: Open.

Municipal, state offices: Closed.

Federal offices: Open.

Libraries: Closed.

Schools: Closed.

Mail: Post offices open; regular mail delivery.

MBTA: Subways, commuter rail, inner-harbor ferries, and commuter boats on weekday schedule. Copley Station closed all day. Bicycles not allowed on subway. Buses and trackless trolleys on Saturday schedule. Some bus routes affected by marathon to be rerouted. For more information, call 617-222-3200.

Boston traffic rules: Meters not in effect. All other parking rules apply.

Trash/recycling collection: Regular collections in downtown Boston and Roxbury. Charlestown collection is Wednesday. All other districts except South Boston delayed one day.