Russian Yam Post-Road System

Timeline

1. 1613–1645Moscow · RussiaAfter acceding, Mikhail Romanov reorganized the transport network of the troubled times, setting up relay stations along major routes and stipulating that official documents and envoys change horses at each station with yam documents, making the post roads the empire's administrative arteries.
2. 1650–1665Post road toward Novgorod · RussiaDuring the reign of Alexis Mikhailovich the post roads extended into Ukraine, Belarus, and the western frontier; foreign envoys and merchants used relay horses with chartered documents, and postal efficiency supported military and political communications during the empire's expansion.
3. 1661–1670Yaroslavl · RussiaRelay stations were maintained by local nobles or the state providing horses; in the 1660s the post-road tax system and jurisdiction were further standardized, with hub towns such as Yaroslavl becoming key horse-changing nodes on the route from Moscow to the Volga region.