Transit L train stalls at Union Square, causes rush-hour delays The L train was delayed on Thursday, April 9, 2015. Photo Credit: Agaton Strom By CAROLINE LINTON April 9, 2015 8:54 AM Print Share fbShare Tweet gShare Email L train commuters got a bit a nasty surprise Thursday morning: Manhattan-bound trains were delayed after an incident at Union Square-14th St. around 8:45 a.m. L trains were terminating at Bedford Ave. in Williamsburg due to a train with mechanical problems at Union Square around 8:30 a.m., stranding commuters in Brooklyn just ahead of rush hour. Trains had resumed by 9 a.m., but there were still residual delays. "L train, I defend you all the time, but you are on my last nerve," tweeted one rider. By CAROLINE LINTON Share on Facebook Share on Twitter Comments Comments section is temporarily on hold. Here’s why.