
The expansion works involved a 55-km stretch from Kadavacherry bordering Cuddalore - Mayiladuthurai districts near Sirkazhi to Vanjore near Karaikal - Nagapattinam districts. In fact, the project has attained momentum between Villupuram and Chidambaram and is likely to be completed this year itself. The greenfield component of widening the existing two-way lane into a four-way includes constructing a new bridge across the Kollidam river adjacent to the existing structure.