English: A large twin arch called the Anna arch marks the entrance of the southern part of Anna Nagar on the Third Avenue, which was built in the 1986 to commemorate the platinum jubilee celebrations of former chief minister C. N. Annadurai, when Anna Nagar was still a developing area. It was inaugurated by the then chief minister of Tamil Nadu M. G. Ramachandran on 1 January 1986.[2] Each arch stands 52 ft tall and weighs 82 tonnes.[3] The road from the arch leads to the Round Tana (roundabout) which is a major landmark and for all practical purposes, the centre of Anna Nagar.
In 2012, the arch was proposed to be demolished to leave way for a flyover that was planned to connect Anna Nagar with Aminjikarai. However, the alignment of the flyover was modified slightly to prevent the removal of the arch.[3]
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