Officials say they are analyzing data collected from the first full test run of Silver Line train service conducted over the weekend but still have no firm date for when work on the $5.6 billion rail project will be completed. . .
People familiar with the test run said it turned up a number glitches, including ones linked to the system’s automatic train control system, a key safety component that controls train movement and speed and ensures proper spacing between trains — an issue that had delayed completion of the project for several months. The individuals asked not to be identified because they were not authorized to speak to the media.
In at least one instance during Saturday evening’s testing, they said, a train encountered a red signal, indicating that it should stop, yet still received speed commands directing it to move forward. Marcia McAllister, spokeswoman for the rail project, said officials would not comment beyond their e-mail statement. . . .Click here for the rest of the story.