The 20807 / 20808 Hirakud Superfast Express is a tri-weekly express train which runs between Amritsar and Visakhapatnam. It passes through the cities of Jalandhar, Ludhiana, Ambala, Panipat, Delhi, Mathura, Agra, Gwalior, Jhansi, Sagar, Damoh, Katni, Umaria, Shahdol, Anuppur, Bilaspur, Raigarh, Jharsuguda, Sambalpur, Angul, Talcher, Dhenkanal, Naraj Marthapur railway station, Bhubaneswar, Khurda Road, Brahmapur, Palasa, Srikakulam Road & Vizianagaram. Hira means diamond and Kud means island in Sambalpuri language spoken in Western Odisha. Sambalpur was famous as an ancient diamond mine and reference about it can be found in the works of Claudius Ptolemy, Edward Gibbon, Jean-Baptiste Tavernier. Hirakud Express is named after the famous Hirakud Dam in Sambalpur, Odisha which is one of the longest dams of India.