The flyover at Gandhipuram, for which Chief Minister M. Karunanidhi will lay the stone here on Sunday, is expected to be a ‘first of its kind' for the city.
The Detailed Project Report is getting finalised and works are likely to commence in March next year.
The design of the flyover is almost finalised.
The project cost is estimated to be Rs. 148 crore and works will be completed in two years, according to an official of the Highways Department.
The official points out that the three-tier flyover will start near the existing Mofussil Bus Stand and end near the Omni Bus Stand on Sathyamangalam Road.
With a total length of 1.2 km and a span of 17.2 metres, the flyover will cover the Gandhipuram and 100 Feet Road Junctions.
Service lanes (ground-level carriage way), subways and underpass are some of the features of the proposed flyover that is to come up in the city.
From Park Gate to the Gandhipuram Junction, there will be a four-lane service lane at the ground level on either side. It will be three-lane from Gandhipuram Junction to 100 Feet Road Junction.
The project proposes a four-lane underpass from 100 Feet Road to Nava India, and four-lane subways connecting the Town Bus Stand and Cross Cut Road, Town Bus Stand and State Express Transport Corporation Bus Stand, Town Bus Stand and the proposed new Mofussil Bus Stand.
Three round-abouts of 30 to 40 metre diameter are planned at Park Gate, near Aarvee Hotel and 100 Feet Road Junction.
The existing four-lane road from Women's Polytechnic to the Town Bus Stand will be expanded.