On 16 October 2013, with the extension of Line 11 into Kunshan in Jiangsu province, Shanghai Metro became the first rapid transit system in China to provide cross-provincial service and the second intercity metro after the Guangfo Metro. Further plans to connect the Shanghai Metro with the metro system of Suzhou are under active review, with the first line connecting Shanghai Metro Line 11 and Suzhou Metro Line 3 under construction and projected to be completed by 2024. Ambitious expansion plans call for 25 lines with over of length by 2025. By then, every location in the central area of Shanghai will be within of a subway station.