Just getting a casual ride home

Same dude
I know it looked super familiar
Isn't it the brown line?

I don't think so. The brown line doesn't go underground and it looks like this train is. I was thinking the blue line but it's hard to tell because you can't see the little map thing from this angle.

The blue line would have been my second guess. I haven't been on the train in a while, so it might be