Retteri junction

There are two flyovers pass through this junction. One flyover with the length of 740 m,^[3] was built at a project cost of ₹55.25 crore. This connects Anna Nagar to Madhavaram via. Retteri junction. There are two service roads each 280 m long run on either side of the flyover. This flyover was opened during the month of November, in the year 2016. Another flyover running parallel to the first one is 1,320 m long built at a project cost of ₹41.07 crore, that connects Madhavaram to Anna Nagar via. Retteri junction.^[4] This second flyover was opened during the month of December, in the year 2021. There is a pedestrian subway constructed on Jawaharlal Nehru Salai at Retteri junction, under the two flyovers.^[5]

The Second phase and 5th corridor of Metro line of Chennai is planned to construct at a stretch of 47 km out of which about 41.2 km will be overhead line and the remaining of about 5.8 km will be underground line. This route starts from Madhavaram end ends at Sholinganallur via. Retteri junction.^[6] From Madhavaram to Retteri junction, the metro line is being constructed as an elevated corridor. For this, pillar construction works are finished and bridge works are on progress. From Retteri junction, an underground metro line to Nathamuni metro in Villivakkam area, a 5 km stretch project will be carried out by Larsen & Toubro limited.^[7] Four heavy duty underground drilling machines are going to be used for this purpose. CMRL (Chennai Metro Railway Limited) has planned that elevated corridor in this project will be finished by the year 2025 and underground tunnelling project will be finished by the year 2026.^{[citation needed]}

On 1 September 2022, on carrying out piling works by rigging machine, the machine tumbled near the flyover and fell over it causing a little damage to it. No victims found even though there were about 30 employees working on the spot.^[8]

Small buses ply between Retteri junction and Madhavaram route and also between Madhavaram and Retteri junction, where long bus services do not pass through.