The MBTA announced this morning it's eliminated nine speed restrictions between JFK/UMass and Downtown Crossing that had limited trains to as slow as 10 m.p.h. at some points, after replacing 2,000 feet of rail and 115 ties in overnight and weekend repair work.
The T says that across the entire Red Line, speed restrictions are now down to a total of ten miles of tracks.
As long as it was working on the tracks, the T also spiffed up the platforms at Broadway, Andrew and South Station, including fixing "platform tripping hazards" at South Station.
The announcement came three weeks after the T re-opened the Ashmont branch after two weeks of work to eliminate slow zones there.