The project is being funded through grant aid from the Japan International Cooperation Agency (JICA) and is due to be completed in June 2017.
Mitsubishi and Hitachi will supply a train monitoring system, electronic interlockings, and automatic level crossing control systems as part of a broader project to upgrade the country's main north-south rail corridor.
Myanmar Railways operates a 4800km metre-gauge network, which carries around 63 million passengers and 3.5 million tonnes of freight per year.
