Bhubaneswar: The ambitious project to expand and elevate the congested Jayadev Vihar-Nandankanan corridor in Bhubaneswar has advanced to a critical preparatory stage, with geotechnical soil testing scheduled to intensify from Thursday as part of the works for multiple flyovers and road widening. According to sources, preliminary excavations have already begun near Kalinga Hospital Square by the executing agency, marking the start of investigations at five key sites in the initial phase: near Gates 7 and 8 of Kalinga Stadium, Pal Heights Square, Kalinga Hospital Square, Damana Square and KIIT Square. Significant traffic disruptions are anticipated on this busy arterial route, particularly during peak hours at locations such as Xavier Square, Damana Square and the stretch between Behera Sahi Square and KIIT Square. The 9.5-kilometre corridor from Kalinga Stadium Gate No. Key elements include a four-lane cable-stayed bridge over the existing NH-16 flyover at Jayadev Vihar, the first of its kind in Odisha, along with separate four-lane flyovers at Kalinga Hospital Square, Damana Square, KIIT Square and Kalarahanga Square.