Irumbuliyur Junction is one of the important junctions in the city of Chennai, India. It is located at Irumbuliyur near Tambaram in Chennai at the intersection of NH 45 with the Chennai Bypass.
A three tier interchange has been built to ease the flow of traffic between Chennai bypass and NH 45. It has 3 levels
- Level "-1" for traffic from Tambaram to Maduravoyal.
- Level "0" for traffic from Chengalpattu to Tambaram and Maduravoyal, from Tambaram to Chengalpattu and from Maduravoyal to Tambaram.
- Level "+1" for traffic from Maduravoyal to Chengalpattu.
Coordinates: 12°54′56″N 80°06′10″E / 12.915555°N 80.102767°E