Answer:
When it comes to me you go on red and stop on green.
This guy crossed a road and everyone wants an explanation.
I am a ship that can be made to ride the greatest waves. I am not built by objects, but built by minds. What am I?
I jump when I walk and sit when I stand. What am I?
Brown I am and much admired. Many horses have I tried. Tire a horse and worry a man, tell me this riddle if you can. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.