In observance of George Washington's birthday, all federal, state and local government offices, except Maryland state income tax offices, will be closed tomorrow.

Metrobus and the Silver Spring and Gaithersburg Ride-On systems will operate on a Saturday schedule. Metrorail will operate from 6:30 a.m. to midnight.

Weekday rush-hour parking and traffic restrictions will not be in effect tomorrow. District parking meters that are marked for collection on Monday through Saturday will require payment; other meters in the District will not.

All courts, banks and post offices will be closed, and there will be no regular mail delivery.

All area public schools, except those in Loudoun County and Manassas Park, will be closed tomorrow.

All libraries, except those in Prince William County, will be closed.

In the District of Columbia, Supercan collections will be on schedule, while Monday and Tuesday trash collections will be one day late.

In Falls Church, Monday and Tuesday trash collections will be one day late.

In Alexandria, collections usually scheduled on Monday through Thursday also will be made one day late.

Trash collections in Prince George's and Montgomery counties will be on schedule.

Liquor stores in Virginia and Montgomery County will be closed.