高架渠

加爾橋，法國世界遺產。興建於大約公元前19年的上水道。

高架渠（英語：aqueduct）又稱上水道。是一種人造通道，用來導引水流。有些是純粹用來輸送用水，有些則是用來使船隻運行其中。

參考文獻

• Sextus Julius Frontinus, De Aquaeductu Urbis Romae (On the water management of the city of Rome), Translated by R. H. Rodgers, 2003, University of Vermont

• Aqueduct entry from Encyclopædia Britannica Eleventh Edition

外部連結

• Website about aqueducts
• Imperial Rome Water Systems
• Roman Aqueducts Today
• 600 Roman aqueducts with 25 descriptions in detail
• Lacus Curtius entry on Roman waterworks
• Aqueducts of Hampi (in the ancient capital of Vijayanagara)
• Photos of Segovia (Spain) and of one of the most famous Roman aqueducts
• Traianus - Technical investigation of Roman public works
• The Roman aqueduct at Kavala (Greece) - Encyclopedia Britannica