WASHINGTON — Metro is suspending its regular track maintenance over the four-day Thanksgiving holiday weekend.

The transit agency says Metrorail will operate on a Sunday schedule on Thanksgiving Day. The rail system will open at 7 a.m. that day and will close at midnight. Parking will be free at Metro facilities.

Metrobus will also operate on a Sunday schedule on Thanksgiving Day.

On Friday, Metrorail and Metrobus will operate on a regular weekday schedule.

Scheduled track work will resume on Sunday evening on the red and blue lines.

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