Answer:
Railroad Crossing, look out for the cars. Can you spell that, without any R's?
u always follow me but I am rarely seen
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves everyday
I am gold and can be black and white I'm a symbol for a nation when freedom took flight.
My head and tail both equal are my middle slender as a bee. Whether I stand on head or heel Is quite the same to you or me. But if my head should be cut off the matter's true though passing strange directly I to nothing change.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.