Here are the most common reasons why an MTA train is running late, and the most delayed lines in the NYC subway system.

Subway on-time performance, or OTP, was over 85% in August. For the R train, it was just under 80%. But Bill Amarosa, senior vice president of subways at New York City Transit, knows riders don’t care ...

The MTA is upping service on two of New York City's busiest subway lines 10 months after it started collecting congestion pricing tolls, which promised to pay for transit improvements. Gov. Kathy ...

The Metropolitan Transportation Authority has released an overhauled mobile app designed to give New York City subway and bus riders easier access to real-time arrival information and trip planning ...