WASHINGTON (WUSA9) -- Early Wednesday afternoon, @Metrorail info tweeted: "Metrorail will operate all 6-car trains (no 8-car trains) until further notice due to lower ridership during the Federal shutdown. #wmata"

Metro officials had warned earlier this week that if the shutdownbrought "significantly lower ridership" there may be some slight changes, including using more 6-car trains and fewer 8-car trains.

Metro remains open.

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