Romanians use right yield at a 4 way stop. City signs on the side of the road are blue and street signs are white. The traffic lights are usually on the right side of the road, and sometimes suspended above the road.
Gas comes in diesel, unleaded, leaded and can be self-serve.
If it is self-serve you can request help from inside the store. After pumping the gas, pay inside the store or directly to the attendant. While there you can also pay for a car wash after choosing the type of wash you want. There are also spots to vacuum the inside of the car, clean the floor mats, and check the tire pressure. Pedestrians should use crosswalks to cross streets.