Kona Expressway

Kona Expressway (part of NH12) is a 7.2-kilometre-long (4.5 mi) limited accessexpressway in West Bengal, India. It consists of a 6 laned elevated expressway corridor (under construction as of 2026) and 4-6 laned at-grade cum service road. The road acts as important link to Kolkata connecting National Highway 16 near Nibra to Vidyasagar Setu near Shibpur via Santragachi. It is one of the most important entries to Kolkata. As of November 2022, the road carries more 70,000 vehicles per day.