Metro service adjustments on the Red, Orange and Blue lines will go into effect beginning at 10 p.m. Friday night.
Metro says buses will replace trains on a section of the red line this weekend and through Veterans Day, which is Monday.
Alaeddin Boroujerdi, the chairman of Iran’s foreign policy and national security parliamentary committee, said that uranium enrichment is a “red line” in negotiations with Tehran, and dismissed threats against Iranian research facilities.
Metro has agreed to settle a lawsuit against its insurance broker that stemmed from the 2009 red line crash that killed nine people.
Metro says free shuttle buses will replace trains on a section of the red line to allow for weekend work.
One contractor died and two Metro employees were injured in a welding accident in a red line subway tunnel between Union Station and the Judiciary Square stop early Sunday, the transit agency said.
Metro says riders on the red and orange lines can expect longer waits this weekend.
President Barack Obama traveled to Sweden on Wednesday ahead of the G20 Summit as he is seeking international support for a military strike against Syria for use of chemical weapons. Obama landed in Stockholm to meet with Swedish Prime Minister John Fredrik Reinfeldt for a press conference on their shared views for international action in Syria.
Metro is warning of major disruptions on the red line after a train with no passengers aboard derailed overnight.
Track work and major delays are nothing new on Metro, but an even larger problem could be looming for the Red Line.