The Chinese Empire seems to be interested in Western connections, at least in Central Asia.
It was an important point in both systems to build a military road along the limes, as well as a row of beacon towers in a strict sequence. Also the military centers and bigger forts are similar in the Roman and in the Chinese constructions.
Indeed, more information about each other could be gained exactly in times as the one or the other became stronger and could start some programs toward the other.
It is worth noting that the north line of the Silk Road was opened also at the beginning of the 1st century AD.
