NYC boy, 3, obsessed with the subway system

[anvplayer video=”5143704″ station=”998132″]

Mark Lee, 3, is already obsessed with the subway system.

He likes the colors. He likes the numbers. Over time he just memorizes every number and sign.

He knows every line and he wants to ride them all. His parents are making that happen.

The transit president even did something special for him.

Learn about what it was by watching the video from WNBC.