The corrdior, being laid at a cost of Rs 30,358 crore (about $5 billion) and scheduled for completion by 2020, will eventually run from Ludhia in Punjab and, after passing through Harya, will be joined by a spur from Dadri in Uttar Pradesh — the closest point to tiol capital New Delhi — before proceeding through Bihar and Jharkhand and termiting at Dankui in West Bengal. Its longest stretch of 1,058 km will be in Uttar Pradesh.