The Delhi-Gurgaon Expressway is a 28 km (17 mi) long access-controlled toll expressway connecting Delhi, the national capital of India, and Gurgaon, an important satellite city of Haryana.The expressway is a part of the Golden Quadrilateral project, which itself is a part of the National Highway Development Project (NHDP) and emphasizes improving road connectivity between four metropolitan cities of India, namely Delhi, Mumbai, Chennai and Kolkata by developing 4–6 lane highways between them.
The INR10 billion (US$189 million), 47.7 km (29.6 mi) expressway was thrown open on January 23, 2008. It has helped reduce travel time of hundreds of thousands of commuters and international air passengers. Vehicle users have to pay a toll for using the expressway, which is collected at three points, near the Indira Gandhi International Airport, the Delhi-Gurgaon Border and the 42nd Milestone.
This expressway is the busiest inter-city route in India and handles more than 180,000 PCUs daily.
Starts at Dhaula Kuan in Delhi and terminates on the outskirts of Gurgaon (Manesar)
- The road has 11 flyovers and overpasses.
- Four toll plazas including the 36-lane toll plaza at Delhi-Haryana Border, which is the biggest toll plaza in South Asia and the second biggest in the Asia.
- CCTV surveillance till Indira Gandhi International Airport
- SOS one-way telephones at every 1.5 km (0.93 mi)
- Elevated sections of the expressway are open only for vehicles capable of attaining speeds of 80–100 km/h.
- 47 km (29 mi) of service roads for local and slow moving traffic.