The transportation system the city proposes should be improved is the main idea of this excerpt. Hence, option C is correct.
What is transportation system?
A transportation system can be defined as the combination of factors and how they interact to produce the need for travel within a given area and the delivery of transportation services to satisfy this need. This concept is inclusive and flexible enough to be applied in various contexts.
The wider technological, social, and environmental systems in our world include transportation systems. A person use a land transportation vehicle when you ride in a car, bus, or train. Bicycle, motorbike, and subway travel are all considered forms of land transportation. A transportation system's goal is to coordinate the movement of people, products, and vehicles to make the most use of available routes.
Thus, option C is correct.
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