Metro will open early to accommodate riders traveling to the annual Army Ten-Miler.
Metro will open at 5 a.m. Sunday instead of the usual 7 a.m. The race starts at 8 a.m. at the Pentagon.
Also this weekend Metro says free shuttle buses will replace trains on a section of the red line to allow for weekend work.
Shuttle buses will replace red line trains between Silver Spring and Fort Totten. The Takoma station will be closed. Metro will run both express buses that will run between Silver Spring and Fort Totten and local buses that will stop at the Takoma station.