National Highway 6 & Economic Corridor 1 (EC1) (commonly referred to as NH6), was a National Highway in India that has been separately designated under the new national highway numbering system. It was officially listed as running over from Surat to Kolkata. The route was also known as Asian Highway 46 (AH46) & Mumbai - Kolkata Highway and Great Eastern Highway. NH6 ran through Gujarat, Maharashtra, Chhattisgarh, Odisha, Jharkhand and West Bengal state in India. The highway passed through the cities of Surat, Dhule, Jalgaon, Bhusaval,Khamgaon , Akola, Amravati, Nagpur, Bhandara, Rajnandgaon, Durg, Raipur, Mahasamund, Sambalpur, Kharagpur, Kolkata. New numbering As of 2010 notification from Ministry of Road Transport and Highways, old NH 6 has been renumbered as follows. Hajira - Deogarh section is part of new National Highway No. 53 Deogarh - Kharagpur section is part of new National Highway No. 49 Kharagpur - Kolaghat - Kolkata section is part of new National Highway No. 16 Junctions At Palsana, Gujarat Near Surat with NH 8 connecting Delhi - Jaipur - Ahmedabad - Mumbai At Dhule with NH 3 connecting Agra - Indore - Mumbai At Dhule with NH 211 connecting Solapur - Aurangabad - Dhule At Akola with NH 161 connecting Akola - Nanded - Sangareddy - Hyderabad At Akola with NH 161A connecting Akot - Akola - Digras - Mudkhed - Nanded - At Nagpur with National Highway 7 (India)(old numbering) connecting Varanasi - Jabalpur - Nagpur - Hyderabad - Bangalore - Kanyakumari At Nagpur with NH 69 connecting Nagpur - Betul - Obedullaganj near Bhopal At Raipur with NH 43 connecting Raipur - Jagdalpur - Borigumma - Koraput - Salur - Vizianagaram on NH 5 At Raipur with NH 200 connecting Raipur - Bilaspur - Raigarh - Deogarh- Talcher - Chandikhol At Raipur with NH 217 connecting Raipur - Titlagarh - Asika - Gopalpur At Bargarh with NH 201 connecting Borigumma on NH 43 - Bhawanipatna - Balangir - Bargarh At Sambalpur with NH 42 connecting Sambalpur - Angul - Dhenkanal - Cuttack on NH 5 Near Deogarh with NH 200 ( for Second time ) connecting Raipur - Bilaspur - Raigarh - Deogarh - Talcher - Chandikhol on NH 5 Near Barkote with NH 23 connecting Chas on NH 32 - Ranchi - Raurkela - Barkote - Pal Lahara - Talcher - Nauhata on NH 42 At Pal Lahara with NH 23 connecting Chas on NH