Approximately 80 per cent of work has been completed on the Mumbai-Pune Expressway Augmentation Project. It is likely to finish by September 2024. The project, approved in December 2013, includes the construction of a missing link of 13.3 km on the Mumbai-Pune Expressway and capacity augmentation of the existing 6.5 km long stretch from the Khalapur Toll Plaza to Khopoli exit (Sinhgad Institute) on the Yashwantrao Chavan Expressway. It entailed an investment of Rs 66.95 billion. The scope of work also includes the construction of 23.75-metre-wide twin tunnels, two viaducts and two horizontal shafts.