It was said that constructing a tunnel beneath the Karnaphuli River would open the doors to tourism and economic potential in South Chattogram and Cox's Bazar. The feasibility study also indicated as much. Where 28,305 vehicles were supposed to ply daily in 2025, only 3,872 actually did—just 14 percent of expectations. In the same year, revenue was supposed to be Tk 400 crore. Instead, only Tk 39.38 crore was earned. Keeping the tunnel operational has incurred losses of Tk 409 crore over the pas...