CHENNAI: National Highways Authority of India (NHAI) has commenced administrative work on widening the Chennai-Trichy national highway between Tambaram and Tindivanam at an estimated cost of Rs 6,371 crore.
A six-lane elevated corridor is to be developed for 24.5 km between Tambaram and Chengalpattu at a cost of Rs 3309 crore and 68.5 km Chengalpattu – Tindivanam stretch will be widened into eight lane at a cost Rs 3,062 crore.
The NHAI which maintains the NH has been facing criticism from motorists and business bodies for not maintaining design standards for GST road, a national highway.
