Unless you’re going to travel outside of main cities to smaller country areas and villages you likely wouldn’t need to rent a car. In fact many city dwelling Germans exist perfectly well without one. Germany has a fantastic public transportation infrastructure. You’ll find even medium sized cities are well served by trains, trams and buses.
If you do drive — it’s on the left. Not all, but around 65% of the vast German autobahns have no speed limit. The actual cities though can be quite congested, so you don’t want to be driving in them unless it’s really necessary. If you’re used to driving in dense urban areas you should be fine. Parking however can be a bit more of a problem and tends to be on the expensive side.
Most cities have outlets where you can hire bikes or scooters to get around. Generally German cities are bike friendly, with excellent bike lanes, especially Berlin and Munich.
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