Tindivanam flyover is Asia's Second Railways Flyover. It has roundana and four lanes. The flyover is located in heart of the Tindivanam, between NH 66 (Bangalore - Pondicherry) and NH 45 (Chennai - Dindukkal).
This flyover was inaugurated by Tamil Nadu Chief Minister Mr. M. Karunanithi in the 2000. This flyover was constructed at a cost of Rs.22 Crores.
References
Tindivanam flyover Wikipedia(Text) CC BY-SA