The G1815 Weifang–Rizhao Expressway (), also referred to as the Weiri Expressway (), is an expressway in Shandong, China that connects Weifang to Rizhao.
History Construction began on 25 March 2013 and it was completed and opened to traffic on 1 November 2018. During the planning stage it was originally designated as Shandong Provincial Expressway S23.
Route The expressway starts in Hanting District, Weifang, then continues through Weicheng District, Changle County, Anqiu, Zhucheng and Wulian County, before terminating in Donggang District, Rizhao.
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