How can I reach the Government Complex Chaeng Wattana from Sai Tai Mai using public transportation?

To reach the Government Complex Chaeng Wattana from Sai Tai Mai (New Southern Bus Terminal), you can take Bus No. 66, which is available in two types: an orange bus with air conditioning and a beige/red bus without air conditioning. The bus stop is conveniently located right in front of the immigration office in the complex.