G4513 Naiman Banner–Yingkou Expressway

The G45 13 Naiman Banner–Yingkou Expressway, also referred to as the Naiying Expressway , is an expressway in China that connects Naiman Banner, Inner Mongolia to Yingkou, Liaoning.

Inner Mongolia
Also known as the Naibai Expressway, with a total length of 57.263 kilometers, construction started on 12 July 2016 and was opened to traffic on 7 April 2021.

Liaoning
The route in Liaoning travels via the cities of Fuxin and Panjin and was previously numbered as Liaoning Expressway S21.

Provincial boundary to Fuxin
Construction of the section north of Fuxin started on 23 February 2021 and was opened to traffic on 29 September 2023.

Fuxin to Panjin
Construction of the southern section started in September 2009 and opened to traffic on 31 July 2013. The northern section started construction in March 2012 and opened to traffic on 1 November 2013.

Panjin to Yingkou
The section from Panjin to Yingkou is part of the G16 Dandong–Xilinhot Expressway. Construction began in November 1999 and it was opened to traffic on 23 August 2002.