Public transportation versus renting a car
If you plan on traveling throughout the country, it is recommended to rent a car. While Romania's train network appears to be outstanding on paper, the trains are slow and uncomfortable, with the exception of a few lines. Buses are also an option, but they only go to the major cities, and you can get lost trying to figure out the convoluted system of routes, shifting schedules, and phone reservations.
The one disadvantage of renting a car in Romania is that many Romanian drivers disregard speed restrictions and appear to be in a rush to pass every automobile on the road. Keep a safe gap between you and the car in front of you, and avoid taking long drives every day. It takes almost always longer than Google Maps estimates.
Romania is an ideal destination for a road vacation. Even though there are many economical and well-connected public transportation options, there's something special about having your own vehicle.
It's an unrivaled luxury to be able to visit major attractions before the crowds arrive, or to stop and soak in the breathtaking nature whenever you want. Thankfully, Romanian rental fees are minimal, so even budget travelers can indulge.