Although the costs of opening a mezzanine for two weekends is probably small (relative to the entire budget), I hope the DC government is covering the cost of this:
QuoteJudiciary Square Metrorail Station 4th St Entrance to open on Saturday, Sept. 4 and 11 for early voters in the District of Columbia For immediate release: September 1, 2010
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The Judiciary Square Metrorail station's 4th St. entrance will be open from 8:30 a.m. to 7 p.m., on Saturday, Sept. 4 and Sept. 11 for people wishing to vote early at the District of Columbia Board of Elections office located at 441 4th St N.W.
The Judiciary Square Metrorail station's other entrance along F St. is open seven-days a week.