Is there a speed limit from Tanchang to Shawan?

No, according to the network information, Tanchang-Shawan Infinite Speed Zone passes through Awu Township, Hadapu Town, Guanting Town, Lianghekou Township and Shawan Town of Tanchang County, ends in Liangshui Town of Wudu District, and connects with the section from Wudu to Guanzigou (Ganchuanjie) of Blue Ocean Expressway, with a total length of 237.59 kilometers.