<page_title> Line 1 (Changchun Subway) </page_title> <section_title> Opening timeline </section_title> <table> <cell> North Ring Road — Hongzuizi <col_header> Segment </col_header> </cell> <cell> 16.3 km (10.13 mi) <col_header> Length </col_header> </cell> </table>
The North Ring Road — Hongzuizi line is 16.3 km long.