· NHDP Phase-I: Government has approved four/ six/eight laning of 7,498 km of National Highways at an estimated cost of Rs. 30,300 crore. It mainly includes four/ six/eight laning of Golden Quadrilateral connecting four metropolitan cities i.e. Delhi, Mumbai, Chennai and Kolkata. Implementation of NHDP-I mainly on Item Rate Construction Contract (IRCC). All the contracts awarded and about 94% of NHDP –I project has been completed. Around 12% through PPP route on BOT (Toll) [6.0%] and BOT (Annuity) [6.0%] mode.
· NHDP Phase II: Under this Government has approved 6644 km of National Highways to be widened to four /six lane facility at a cost of Rs. 34,339 crore. Under this North South Corridor from Srinagar to Kanyakumari with Cochin Selam Spur and East West Corridor from Silchar to Porbandar are to be developed. Implementation of NHDP-II mainly on IRCC. Though around 24% through PPP on BOT (Toll) [11%] and BOT (Annuity) [13%]. 87.34% of length is awarded out of which around 19.51% completed. NHDP-II is scheduled for completion by Dec. 2009.
· NHDP Phase-III : Under this, Government has approved upgradation of 12109 km of existing National Highways to two lane with paved shoulders/ four /six lane having high traffic density, connecting important tourist locations, economically important areas , State capitals etc on build, operate and transfer (BOT) basis with a maximum viability gap funding (VGF) of 40%. The estimated cost for development of these stretches are Rs. 80,626 crore. 17.13% of length awarded, out of which 3.39% length completed. NHDP-III is scheduled for completion by Dec. 2013.
· NHDP Phase-IV : There is a proposal under consideration for widening of 20,000 km of existing single /intermediate /two lane highways to two lane with paved shoulders at an estimated cost of Rs. 27,800 crore through PPP route on BOT (Toll) /BOT (Annuity) basis.
· NHDP Phase -V: Under this Government has approved six laning of 6500 km of National Highways at a cost of Rs. 41,210 crore through PPP route on BOT (Toll) mode using Design Build Finance and Operate (DBFO) pattern with a maximum VGF of 10%. In DBFO private parties needs the upfront cost of design, construction and expenditure on annual maintenance and recovers the entire cost along with the interest from toll collection during the concession period. A length of 882 km awarded. NHDP V is scheduled for completion by Dec. 2012.
· NHDP Phase-VI: Under this Government has approved construction of 1000 km of expressways at an estimated cost of Rs. 16,680 crore through PPP route on BOT (Toll) mode following a DBFO pattern with a maximum VGF of 40%. Action is being taken for preparation of feasibility report. NHDP-VI is scheduled for completion by Dec. 2015.
· NHDP Phase-VII: Under this Government has approved construction of 700 km of stand alone ring roads/bypasses as well as grade separators, flyovers, elevated road, tunnels road over bridge, under passes etc at an estimated cost of Rs. 16,680 crore through PPP route on BOT (Toll) mode with a maximum VGF of 40% Action is being taken for preparation of feasibility study. NHDP-VII is scheduled for completion by Dec. 2014.