Some Washington area jurisdictions are observing Martin Luther King's Birthday today, Jan. 15. The following is a list of holiday closings and schedule changes. FEDERAL GOVERNMENT

Federal offices Open. Mail Regular service. Post offices open. TRANSPORTATION

Metrobus, Metrorail Operate on regular weekday and rush hour schedules today. Silver Spring Ride-On Regular weekday schedule. Gaithersburg Ride-On Regular weekday schedule. DISTRICT OF COLUMBIA

Banks Open. Courts Open. D.C. government offices Closed. Schools Closed. Libraries Closed. Traffic, parking Regular weekday and rush hour parking and traffic regulations will be in effect, but no parking meter payment will be required today. Trash Supercan collections: Tuesday-Friday collections will be a day late, Wednesday-Saturday. Regular collections: Today's pickups will be made Wednesday. Collections the rest of the week will be normal. Liquor stores Open. MARYLAND

Banks Open. Courts Closed. State offices Closed. County offices. Closed. Schools Closed. Open in Anne Arundel. Libraries Closed in Montgomery, Charles and Anne Arundel. Open in Prince George's, Calvert, Frederick, and Howard. Traffic, parking Holiday regulations in effect. Trash Regular pickup. Liquor stores Closed in Montgomery County. Open at owner's discretion in other counties. VIRGINIA

Banks Open. Courts Open. State offices Open. County and city offices. Open. Closed in Alexandria. Schools Closed in Fairfax, Arlington, and Falls Church. Libraries Closed in Alexandria. Traffic, parking Normal regulations in effect. Trash Alexandria: No pickup today, trash pickup 1 day late the rest of the week. Liquor stores Open.