The Union Cabinet approved construction of a 135.87 km access-controlled four-lane highway on NH-15 linking Baihata Chariali near Guwahati to Tezpur in Assam at an estimated cost of ₹8,970.2 crore. The project includes an emergency landing facility, multiple bridges and underpasses, and is expected to decongest NH-27 while doubling average speeds and halving travel time. Two left-center sources provided the verified details, with additional project specifications reported by one outlet.