How did the Qin Dynasty standardize transportation?

The Qin Dynasty standardised transportation in several ways:

1. Construction of roads and highways: The Qin Dynasty invested heavily in building an extensive network of roads and highways, connecting different regions of the empire. These roads were built with standardised widths and paved with stone, making it easier for people and goods to travel efficiently.

2. Standardisation of measurements: The Qin Dynasty also standardised measurements used in transportation, such as the length of carts and wagons, the size of axle widths, and the weight of goods that could be transported. This helped to streamline transportation processes and ensure consistency across the empire.

3. Establishment of postal stations: The Qin Dynasty also established a system of postal stations along major roads and highways, where messengers could change horses and relay messages. This helped to improve communication and transportation of important information across the empire.

4. Use of standardized currency: The Qin Dynasty introduced a standardised currency system, which made it easier for merchants and traders to conduct business across different regions. This helped to facilitate trade and commerce, which in turn improved transportation of goods and resources.

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The Qin Dynasty built roads, standardized measurements for carts and wagons, set up postal stations along major roads, and introduced a standard currency system to streamline transportation and improve communication and trade across the empire.