Do you know the metro line 1 with a dozen of stations (17 km) in HCMC has taken 10 years to complete by Japanese company?
Taiwan’s HSR from Taipei to Kaohsiung has taken 10 years, the distance is only 350km and it cost $17 billion to build.
It takes years for Vietnamese government to acquire the lands along the HSR route and compensate all the affected home owners.