The Karnataka chief minister has laid the foundation for Bengaluru's first tunnel road, with the project reportedly involving an underground corridor at Hebbal. The tunnel road is part of a larger plan that may include additional tunnel roads and double-decker roadways in Bengaluru. The project's value and specifics are not universally agreed upon, with some outlets reporting a cost of Rs 17,000 crore and others focusing on the potential impact and criticisms of the project.