Metro will close the Blue and Yellow lines south of Reagan National Airport on Monday for scheduled track work.

       Free shuttle buses will be offered at the six closed stations to bridge riders to open stations.

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       Metrorail will operate on a Saturday schedule on Presidents’ Day, which will bring longer waits for passengers. Red Line trains will run every 12 minutes, Green Line trains will arrive every 20 minutes, and Blue, Orange and Silver line trains will run every 24 minutes, Metro said.

       Peak fares during the morning and afternoon rush will not be charged, Metro said.

       Metrobus also will run on a Saturday schedule but with a few additional routes available, transit officials said. MetroAccess will be available by reservation but regularly occurring trips that are scheduled for Mondays will be canceled.

       Parking will be free at Metro parking facilities, transit officials said.