For the next 25 days, the Red line is shut down between NoMa Gallaudet and Fort Totten as Metro makes safety changes.

Two-hundred-thousand riders a day are affected.

“It's an inconvenience, but it is necessary,” said a rider from Maryland.

Another rider said, “Make sure you are on time and get here ten minutes early to get where you are going.”

Metro is providing free shuttle buses to take riders between the closed stations.

“We don't live anywhere around here so it's confusing. We are going to the zoo. We are in town for the Marine Corps. Marathon. My sister is competing and we are here to see my sister,” said another rider.

This shutdown is also an inconvenience for marathon competitors because Metro doesn’t start running until 7 a.m. Therefore, Metro is providing free shuttle buses starting at 4:30 a.m.Sunday to transport folks to the race.

This latest round of repairs is expected to have the largest impact of all the scheduled track work that’s part of Metro’s SafeTrack.