Have you ever think if there is a Shinkansen running in your country?
If your government has introduced Shinkansen to your country, here are the journey times.
Penn station, New York - South station, Boston
Currently is 3 hours 42 minutes by Acela train
Shinkansen can connect by 1 hour and 40 minutes
Central station, Sydney - Southern Cross station, Melbourne
Currently is 11 hours +
Shinkansen can connect by 3 hours and 50 minutes
Union station, Toronto - Central station, Montreal
Currently is 4 hours 49 minutes.
Shinkansen can connect by 2 hours
Then, the biggest important fact there was even no single derail or collision and no one was killed due to train accident since its operation in 1964.