Kona Expressway
Route information
Part of NH12
Maintained by PWD-NH Division, GoWB and NHAI
Length	14.17 km (8.80 mi)
Existed	2001–present
Major junctions
East end	Vidyasagar Setu Toll
West end	NH 16, Nibra
Location
Country	India
Primary destinations	Vidyasagar Setu Toll, Belepole, Santragachi, Kona, Nibra
Highway system
Roads in India Expressways National State Asian

Kona Expressway (part of NH12) is a 14.17-kilometre-long (8.80 mi) highway corridor in Kolkata (greater), West Bengal, India, consisting an at-grade highway and an elevated expressway corridor.^[1] The at-grade highway have 4 general transit lanes (with 2 service lanes) while the elevated expressway corridor has 6 lanes. The elevated corridor is under construction as of 2024.^[2] The road acts as important link to kolkata connecting National Highway 16 (India) (NH 16) near Nibra to Vidyasagar Setu, which leads to Kolkata. It is one of the most important entries to Kolkata. As of November 2022, the road carries more 70,000 vehicles per day.^[3]

Kona Expressway entirely lies in the Howrah district and comes under the Howrah Municipal Corporation. The route was opened in 2001. Kona Expressway is significant since it is one of the three and major route to enter in Kolkata. The route goes through major areas like Carry road, which is the connector to Andul road,^[4] an important route of Howrah parallel to Kona Expressway. At Belepole, the Drainage Canal road connects with Kona Expressway, which is a major route to Howrah Maidan and Howrah-Amta road. Also the route acts as major connector to the areas like Santragachi, Jagacha, Gorpha, Belepole etc. Though the route is six lanes (four major lanes and two service roads) but it becomes two lanes on Santragachi over-bridge which crosses over Santragachi jheel and rail lines.^{[citation needed]}

The route passes along two major inter-city railway junctions namely, Santragachi Junction railway station in Santragachi and Shalimar railway station near Vidyasagar Setu toll centre. Santragachi junction railway station is the third largest station in Kolkata Metropolitan area. Santragachi bus terminus is also along the route, which is used as inter-city bus terminus for Kolkata and long distance buses. Kona Expressway serves as the route of buses like Barasat-Newtown-Santragachi, Barasat-Ultadanga-Santragachi, KB15 (Santragachi-Anandapur), EB1A (to Belgharia), VS12 (to New Town), K11 (Domjur - Rabindra Sadan), 26 (Mini) (Unsani - Esplanade), C11 (Domjur - B.B.D. Bagh/Belgachia), E6 (Amta - Esplanade), E7 (Bagnan - Esplanade) etc.^{[citation needed]}

The route was previously a part of NH 117 and a connector to NH 6.^[5]