City authorities have also decided that a day pass on the Cat Linh – Ha Dong metro line for unlimited trips will cost VND30,000.

A monthly pass will cost VND200,000 and half that for students and workers at industrial parks.

For businesses buying the monthly pass for its employees, the rate will be VND140,000.

Travel will be free for seniors, children under six, people with disabilities, and people designated by the government as poor.

Fares are subsidized to boost the use of public transport, city authorities said.

People using non-cash payment methods will get a discount of VND500 per trip.

Travel will be free for the first 15 days after the metro begins operation, though the start date has not been announced yet.

The full trip from Cat Linh to the south-western district of Ha Dong through 12 stations will take 25 minutes.

A train can carry 960 passengers.

Trains will run from 5 a.m. to 11 p.m every day.