Most state offices, with the exception of state parks, will be closed Friday and nonessential services curtailed because of a scheduled furlough day. Offices including the Department of Motor Vehicles and the Department of Labor, Licensing and Regulation will be closed. Services related to public safety, such as state police and corrections facilities, as well as the Maryland judiciary, will be in operation, and the unemployment claims phone lines will be staffed during the furlough day. Gov. Martin O'Malley signed an executive order in July ordering the furlough days as a way of reducing costs to shore up a budget shortfall.