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Persian Royal Road

Type Object Region Persian Empire Time c. -500

Around 500 BCE the Achaemenid Persian Empire built a major overland route from Asia Minor to the Iranian plateau, known as the Royal Road, with relay…

Timeline

  1. c. -500–-480Sardis · AnatoliaThe Persian ruler Darius I consolidated and expanded existing trade routes, running east from Sardis, capital of Lydia, through the Tigris valley to Susa, capital of Elam, a total distance of about 2,600 km, with relay stations for horse changes and escorts, forming the empire's main transport artery.
  2. c. -490–-480Tigris valley section · MesopotamiaRelay stations were set up along the Royal Road at daily travel intervals, allowing messengers in relay to reach Susa from Sardis in about a week; Herodotus recorded its efficiency, widely known in classical literature, supporting central imperial control over distant satrapies.
  3. c. -480–-450Throughout the Persian Empire · Persian EmpireBeyond messengers, the Royal Road also served troop movements, tribute transport, and merchant travel, connecting with other imperial road branches to form the backbone of the Achaemenid overland transport network, influencing the later development of the western Silk Road.

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