HYDERABAD: In a major push for road infrastructure in the State, the National Highways Authority of India (NHAI) has allotted over Rs 2,200 crore for constructing a new greenfield highway between Warangal and Khammam. On Friday, the Centre approved the four-lane access-controlled greenfield highway on NH-163G for a length of 70 km from Venkatapur village in Warangal to Venkatayapalem village in Khammam. This project is divided into two sections.