With far fewer commuters, Metro-North crews were able to get a lot of infrastructure work done.  They installed more than 49,700 new cross ties, 1600 bridge timbers and 36 new switches.  Metro North officials say they cut the number of delays caused by signal or switch failures by two thirds. Metro North has expanded a program that shuts down continuous segments of track to allow multiple work groups uninterrupted access to maintain and improve the system. Productivity increased and officials say as a result, 97.9 percent of trains to operate on time in 2020.  That's the highest level since Metro-North was founded in 1983.