By now, most of us know what they look like from memory — the large, bent, yellow arrow positioned over the red rectangle that says “In-N-Out” (sometimes the word “burger” is also included).

In December, the Red Line was the first to start using automation again. Now, the Green and Yellow lines will be the next phase of implementation in a plan to bring ATO back to all train lines.

ARLINGTON, Va. (7News) — Metro officials will begin automating trains on the Green and Yellow Lines on Friday after approval from its oversight commission, which previously opposed the move ...