Transit J, M lines restored following switch problem in Brooklyn, MTA says Service on the J and M lines has been restored after a switch problem in Brooklyn on Wednesday, May 25, 2016, the MTA said. Photo Credit: Diana Colapietro By Lauren Cook firstname.lastname@example.org Updated May 25, 2016 7:29 AM Print Share fbShare Tweet gShare Email Straphangers on the J and M lines had a tough commute on Wednesday morning. Due to a switch problem at Myrtle Avenue, the J line was temporarily suspended both ways between Broadway Junction and Marcy Avenue, the MTA said. Service was also temporarily suspended on the M line between Middle Village-Metropolitan Avenue and Essex Street in both directions, according to the MTA. Both lines were restored around 7:25 a.m., but the MTA warned of extensive delays. Those delays have since diminshed and service is running on or close to schedule, the MTA said. By Lauren Cook email@example.com Share on Facebook Share on Twitter Comments Comments section is temporarily on hold. Here’s why.