Gulf road G13

The Gulf road G13 is a Gulf road in Kyaw Cen currently starting in Yija and ending in Parkow, with a planned extension to Port Marcy. This would connect the three major cities and all three republics of the country via a series of overground roads and two undersea tunnels, namely the Maz Koshia Tunnel from Kôpang to Parkow and Marsea Tunnel from Parkow to Port Marcy currently under construction, named after the Marsea it is going to cross.
History
The Maz Koshia tunnel started construction on 2 June 2025 and was completed six days later on 8 June 2025. The Marsea tunnel started construction on 6 August 2025.