the downtown line was built in three stages, with the first opening in 2013, the second in 2015, and the third in 2017. an extension to the third stage, known as stage 3e, will open in 2024, being 2.2 kilometres long and with two more stations. on 7 march 2015, senior minister of stage for transport janil puthucheary said that there will be a new station called hume, to be built between the already open stations of hillview and beauty world. this station will open in 2025. when hume opens, the line will be 42 kilometres long and have 37 stations.