Yesterday at 6pm, Mayor of UB G.Munkhbayar received 26 directors of bus companies that serve the public in Ulaanbaatar. The Mayor criticized public transportation lacks good service and clean environment. He urged to pay attention to ethics of bus drivers, conductors and said managing officials would take responsibility measures. G.Munkhbayar also said that he travel by bus in a month. He then told the company directors to personally travel in their bus to see the service.