NH4 National Highway No.4 Golden Quadrilateral Super Expressway Mumbai Banglore road

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• published: 25 May 2014
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National Highway 4 (NH 4) is a major National Highway in Western and Southern India. NH 4 links four of the 10 most populous Indian cities - Mumbai, Pune,Bangalore, and Chennai. NH 4 is 1,235 km (767 mi) in length and passes through the states of Maharashtra, Karnataka, Andhra Pradesh and Tamil Nadu. The Golden Quadrilateral is a highway network connecting many of the major industrial, agricultural and cultural centres of India. A quadrilateral of sorts is formed by connecting Delhi, Mumbai, Kolkata and Chennai, and hence its name. Other cities among the top metropolises namely Pune, Ahmedabad, Jaipur, Kanpur, Surat at north and Bengaluru, Visakhapatnam & Bhubaneswar at south are also connected by the network. The largest highway project in India and the fifth longest in the world, started by NDA Government led by Mr Atal Bihari Vajpayee it is the first phase of the National Highways Development Project (NHDP), and consists of building 5,846 km (3,633 mi) four/six lane express highways at a cost of ₹600 billion (US$10 billion) The project was launched in 2001 by Atal Bihari Vajpayee under the NDA government, and was planned to complete in January, 2012 The vast majority of the Golden Quadrilateral (GQ) is not access controlled, although safety features such as guardrails, shoulders, and high-visibility signs are in use. The GQ project is managed by the National Highways Authority of India (NHAI) under the Ministry of Road, Transport and Highways. The Mumbai-Pune Expressway, the first controlled-access toll road to be built in India is a part of the GQ Project though not funded by NHAI, and separate from the main highway. Infrastructure Leasing & Financial Services (IL&FS;) has been one of the major contributors to the infrastructural development activity in the GQ project. Then Prime Minister Atal Bihari Vajpayee laid the foundation stone for the project on 6 January 1999 In January 2012, India announced the four lane GQ highway network as complete. India's government had initially estimated that the Golden Quadrilateral project would cost₹600 billion (US$10 billion) at 1999 prices. However, the highway has been built under-budget. As of August 2011, cost incurred by Indian government was about half of initial estimate, at ₹308.58 billion (US$5.2 billion). The eight contracts in progress, as of August 2011, were worth ₹16.34 billion (US$280 million) In September 2009, it was announced that the existing four-laned highways would be converted into six-lane highways. The expansion project was reported at various stages to be behind schedule, mainly due to land acquisition constraints and disputes with contractors which had to be re-negotiated. Sections of NH 2, NH 5 and NH 8 have now been prioritized for further widening to six lanes under DBFO (Design, Build, Finance, Operate) pattern and more sections would be six-laned in the near future. On NH 8 Six lanes work is completed from Vadodara to Surat and now the highway is 6 lanes wide. The Hosur-Krishnagiri stretch of the Bangalore-Chennai stretch is being expanded from four lanes to six lanes by Reliance Infrastructure Only National Highways are used in the Golden Quadrilateral. The four legs use the following National Highways: • Delhi -- Kolkata: NH 2 • Delhi -- Mumbai: NH 8 (Delhi -- Kishangarh), NH 79A (Ajmer bypass), NH 79 (Nasirabad --Chittaurgarh), NH 76 (Chittaurgarh -- Udaipur), NH 8 (Udaipur -- Mumbai) • Mumbai -- Chennai: NH 4 (Mumbai -- Bangalore), NH 7 (Bangalore -- Krishnagiri), NH 46(Krishnagiri -- Walajapet), NH 4 (Walajapet -- Chennai) • Kolkata -- Chennai: NH 6 (Kolkata -- Kharagpur), NH 60 (Kharagpur -- Balasore), NH 5(Balasore -- Chennai) The length of Golden Quadrilateral in each State The completed Golden Quadrilateral will pass through 13 States of India: • Andhra Pradesh -- 1,014 km (630 mi) • Uttar Pradesh -- 756 km (470 mi) • Rajasthan -- 725 km (450 mi) • Karnataka -- 623 km (387 mi) • Maharashtra -- 487 km (303 mi) • Gujarat -- 485 km (301 mi) • Odisha -- 440 km (270 mi) • West Bengal -- 406 km (252 mi) • Tamil Nadu -- 342 km (213 mi) • Bihar -- 204 km (127 mi) • Jharkhand -- 192 km (119 mi) • Haryana -- 152 km (94 mi) • Delhi -- 25 km (16 mi) • Total -- 5,846 km (3,633 mi)