Technology
The ancient Romans also had a complex system of aqueducts, which were used to transport water across long distances. The first Roman aqueduct was built in 312 BCE. The eleventh and final ancient Roman aqueduct was built in 226 CE. Put together, the Roman aqueducts extended over 450 kilometers, but less than seventy kilometers of this was above ground and supported by arches.
Lugdunum
Lugdunum seems to have had a population of several thousand at the time Roman foundation. The citizens were administratively assigned to the Galerian tribe. The aqueduct of the , completed around 20BC, was the first of at least four aqueducts supplying water to the city.