<page_title> Hwanghae Chongnyon Line </page_title> <section_title> History </section_title> <table> <cell> Sariwŏn–Hasŏng (standard gauge) <col_header> Section </col_header> </cell> <cell> 41.7 km (25.9 mi) <col_header> Length </col_header> </cell> </table>
The construction of a 41.7 km (25.9 mi) standard gauge line from Sariwŏn to Hasŏng was called the Hwanghae Main Line.