sentences:  Foreigners arriving in Russia met various restrictions in the Tsarist period; border magistrates could allow foreigners to pass within the state only with the permission of the senior government.In troubled times, it began to produce and to travel within the country system "roadways" letters () in order, mainly police.As a general rule letters carriageways were built by Peter I (decree of October 30, 1719), in connection with the entered his conscription and head tax.