"The Great River Road should be located within designated segments to take advantage of scenic views and provide the traveler with the opportunity to enjoy the unique features of the Mississippi River and its recreational opportunities", the guidelines said. The criteria also specified that the Great River Road should provide for a variety of experiences or themes, including history, geology, and culture, and that the road should provide convenient access to larger population centers. Protection of the Mississippi River corridor was required by "appropriate route selection, effective control and development, and scenic easement acquisition".