The G1519 Nantong–Rudong Expressway (), also referred to as the Tongru Expressway (), is an under construction expressway in Jiangsu, China that will connect Nantong to Yangkou Port. The original provincial expressway number was S15 until it was upgraded to a national expressway in July 2022.

Route The first phase from Tongzhou District to Rudong East has a total length of 36.66 km. Construction started in April 2012, and opened to traffic on 6 February 2015.

The second phase of the project from Rudong East to Yangkou Port started construction on 10 November 2020, and opened to traffic on 10 January 2025.

References