Q. What is the longest National Highway in Odisha?
Answer: NH-53
Notes: The longest National Highway in Odisha is NH 53. It connects  Bargarh, Sambalpur, Deogarh, Kanniah, Talcher, Kamakhyanagar, Sukinda, Dubri, Chandhikhol and Paradip Port in the State of Odisha and is of 524.53 kilometers.
Question Source: 📚This question is part of the Odisha General Studies [1500+ MCQs] course available only in the GKToday Android App. The question bank is suitable for all Odisha Public Service Commission (OPSC) exams including OCS, Assistant Section Officer, Junior Lecturer, and others.Download the app now. Download the app here.
📌 Question Number: 3 in Transport in Odisha in the above course in App.