Authorities are about to relax rules on large tanker transits through the Dardanelles — the western part of the Turkish straits.

A working group within the Turkish Ministry of Transport and Infrastructure is devising measures to smooth traffic flows after congestion peaked last month, ­according to local shipping agents.

The new rules are expected to take effect soon, possibly from the end of this month, an official with Istanbul’s Zihni Shipping Agency told TradeWinds.