CityNews – 24th April 2020, while providing social distancing measures, Green Bus has announced that it will reopen the Chiang Mai-Mae Sai route with one bus per day. The bus will leave Chiang Mai at 10am daily, starting today. It will leave Mae Sai tomorrow at 10am to return to Chiang Mai. Passengers are asked to wear masks throughout the duration of the journey, sit at least 1-2 metres