In 2018, the section between Boa Vista and the border with Guyana was fully paved.[2] As of 2020, a section of almost 80 kilometres between Bonfim and Normandia is still unpaved.[3]
References
^ ab"BR-401"(PDF) (in Portuguese). Ministry of Transport. Archived from the original(PDF) on 12 December 2018. Retrieved 9 April 2021.