TPP-1 Highway of 4 lane with Paved Shoulders rom Tiruvallur (Design Chainage Km 17+56) to TN/AP Broder (Design Chainage Km 61+51) o NH-716 in Tamil Nadu on Hybrid Annuity Mode under NH(O) (Project Length – 43.95 km) Chennai-Tirupati Package-1) This road cuts across NH-205 at Nemellichery & NH-5 at Padiayanallur. The works are being taken up in two phases and the first phase is in progress.