From Metropolitan Transit Authority New York City Transit website:
NYC Transit Completing M Line Reconstruction On Time & On Budget, Resuming Regular Service on April 30
MTA New York City Transit today announced that work on the over 100-year-old Myrtle Viaduct on the line will be successfully completed on time and on budget this weekend, with regular service to resume on April 30 at 5:00 a.m. Combined with the reopening of the Fresh Pond Bridge this past September, service for customers along these crucial elevated structures in Brooklyn and Queens will be fully restored on time and on budget, and made resilient for decades to come.