This is my summary of the article of the Lyttleton tunnel. The Lyttleton tunnel has recently been in the news. It has been on the news because it is celebrating the 50Th anniversary. Lyttleton tunnel has came to the 50 year mark. It is a happy time for the Lyttleton tunnel fans. Lyttleton Tunnel is in Christchurch and is one of the most biggest tunnels in New Zealand.