Original: Three more extensions are planned for opening by 2010 : Hakata-Yatsushiro , Hachinohe-Aomori , and by 2014 : Nagano-Kanazawa , and 2015 : Aomori-Hakodate ( through the Seikan Tunnel ) .
Simplified: Three more extensions are planned for opening by 2013 : Hakata-Yatsushiro , Nagano-Kanazawa , and Hachinohe-Aomori .