<page_title> TransCanada Corporation </page_title> <section_title> Operational natural gas pipelines </section_title> <table> <cell> Canadian Mainline <col_header> Name </col_header> </cell> <cell> 14,077 km (8,747 mi) <col_header> Length </col_header> </cell> <cell> Transports natural gas from the Alberta/Saskatchewanborder and the Ontario/U.S. border to serve easternCanada and interconnects to the U.S. <col_header> Description </col_header> </cell> </table>
Canadian Mainline (14,077 km) transports natural gas.