Planning to rent a car in the Dominican Republic? This picturesque nation occupies about two thirds of the Caribbean island of Hispaniola, with Haiti to the west. Having your own ride can be a great way to explore the D.R.'s many idyllic beach towns and 871 miles of coastline. However, driving in the D.R. is not for the faint of heart. Here are some considerations you should know about before planning your road trip.