The Glen Waverley line is a commuter railway line in the city of Melbourne, Victoria, Australia. Operated by Metro Trains Melbourne, it is the city's fifth shortest metropolitan railway line at . The line runs from Flinders Street station in central Melbourne to Glen Waverley station in the east, serving 20 stations via Burnley, Kooyong, East Malvern, and Jordanville. The line operates for approximately 19 hours a day (from approximately 5:15 am to around 12:00 am) with 24 hour service available on Friday and Saturday nights. During peak hour, headways of up to 10 minutes are operated with services every 10-30 minutes during off-peak hours. Trains on the Glen Waverley line run with a two three-car formations of X'Trapolis 100 trainsets. Sections of the Glen Waverley line opened as early as 1890, with the line fully extended to Glen Waverley in 1930. The line was built to connect Melbourne with the rural towns of Kooyong, East Malvern, Mt Waverley, and Glen Waverley, amongst others. Since the 2010s, due to the heavily utilised infrastructure of the Glen Waverley line, significant improvements and upgrades have been made. Different packages of works have upgraded the corridor to replace sleepers, upgrading signalling technology, the introduction of new rolling stock, and the removal 2 out of the 6 remaining level crossings. History 19th century A rail connection from Princes Bridge station to Punt Road (Richmond) was built by the Melbourne and Suburban Railway Company in 1859, with a branch line from Richmond to Burnley opening in 1861. In 1890, part of what would become the Glen Waverley line, opened from Burnley to Darling. At the same time in 1890, a line known as the Outer Circle line opened, running from Oakleigh station to Darling, continuing to Burnley with the line continuing north to Riversdale and beyond. The Outer Circle closed in sections between 1893 and 1897, with the Burnley to Waverley Road section of the line closing back to Darling in 1895. 20th century Electrification of the line to Glen Waverley occurred in three stages between 1922 and 1930. In March 1922, the section from Burnley to Darling station was electrified, with the section to East Malvern being electrified in June 1929, and the final section to Glen Waverley being completed by May 1930. The electrification of the line allowed for the introduction of Swing Door electric multiple unit trains for the first time. The