Final answer:
The most efficient modes of travel in Germany's major cities are public transportation systems such as buses, trams, and trains, as well as cycling and the use of electric vehicles.
Step-by-step explanation:
The most efficient modes of travel in Germany's major cities are public transportation systems such as buses, trams, and trains. These modes of transportation are designed to transport large numbers of people efficiently and reduce traffic congestion. For example, cities like Berlin and Munich have extensive subway networks that provide quick and reliable transportation options for residents and visitors.
Another efficient mode of travel in Germany's major cities is cycling. Many cities have well-developed bike lanes and infrastructure, making cycling a popular and environmentally friendly option. Additionally, Germany encourages the use of electric vehicles, which are more energy-efficient and produce fewer emissions compared to traditional cars.