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

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 today. District parking meters that are marked for collection on Mondays through Saturdays 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 delivery of mail.

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

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

In the District of Columbia, supercan collections will be on schedule while regular Monday and Tuesday trash collections will be one day late. In Falls Church, normal Monday and Tuesday trash collections will be made one day later. In Alexandria, collections normally scheduled on Monday through Thursday will be made one day later. Trash collections in Prince George's and Montgomery counties will be made on schedule.

Liquor stores in Virginia and Montgomery County will be closed.