what is the theme of the poem the road not taken

the road taken deals with the dilemmas that man faces in life. life throws up many alternatives. man being an individual cannot take up all choices.the impact that our choice wiil make on our lives can also not be foreseen .hence,our desicion is a shot in the dark though our future is dependent on it.ifthe choice made by us happens to be erronous, we have to face the consequences as steps once taken cannot be retraced.