MoRTH has completed the work on the 29 km long Package VIII of the Potin-Pangin Two Laning Highway Road Project (NH-229) (balance works) ahead of its deadline in September 2023. Package VIII involved two-laning of the Potin-Pangin road stretch from km 284.92 to km 314.25 at a cost of Rs 2.99 billion completed by TTC Infra Private Limited. The road starts near the Sodo doke in Tirbin circle and ends at Nigmoi village in Bagra circle of West Siang district in Arunachal Pradesh.