New Delhi, April 4 -- The Delhi Public Works Department (PWD) has signed off on the plan to double the one-way Savitri Cinema flyover along Outer Ring Road in south Delhi and work on the long-delayed project to add a carriageway towards Nehru Place is likely to begin soon, officials aware of the matter said on Thursday.

Once complete, the expanded flyover is likely to ease traffic around Chittaranjan Park, Greater Kailash and Nehru Place. However, the construction work, which is expected to last at least a year, will severely hobble traffic along the arterial road that links south, south-west and south-east Delhi and falls on one of the most popular routes to the airport.

The plan to widen the flyover was proposed nearly a decade ago, b...