See also: royal road

English edit

 
Royal Road on a map of Achaemenid Empire

Proper noun edit

the Royal Road

  1. (historical) The longest road in the ancient system of trade routes and roads developed in Achaemenid Persia, which connected the capitals Sardis (in Asia Minor) to Susa (in Mesopotamia) and featured post-stations with service facilities.

Translations edit

See also edit