function of the interests

[aovin]

The PECs (PECs - это pan-European transport corridors) were the formal expression of a new order inasmuch as the set of road and rail connections, border-crossing points, seaports, airports and the like were in purposive relation to each other. PEC secretariats were created for policy implementation at the transnational level, but their role has varied considerably as a function of the interests of the member states involved.

[Mike Ulixon]

И чего непонятного?
Роль этих самых коридоров значительно изменяется в зависимости от заинтересованности вовлеченных в них стран-участников.
В общем-то все правильно. "Да отсохнет рука у себя обделившего!" ;-)