Ho Chi Minh City's Management Authority for Urban Railways has announced that the Ben Thanh - Suoi Tien metro line started trial run from early this month. During the trial operation from October 1 -17, the trains will run every 4 minutes and 30 seconds, and operators in all positions including drivers, dispatchers at the control centre, and station staff will be mobilised.A total of 71 workers participate in the trial operation in each shift, with two shifts expected each day.Source: Vietnam News Agency