As part of an ambitious project to improve road infrastructure in the James Bay region, Roxboro has been commissioned to rehabilitate Lot 1 of the Billy-Diamond road. This project includes earthworks, culvert replacement and paving work, aimed at enhancing safety and sustainability of this essential artery for the region.
The work is being carried out in close collaboration with the Société de développement de la Baie-James (SDBJ) and is part of a series of initiatives designed to modernize the local road network.
KM 538 to 620 from route Billy-Diamond
65 000 000 $
James Bay Development Corporation (SDBJ)
Delivery in Autumn 2026




Over 50 years of expertise as a trusted partner in construction and civil engineering.
Fait partie du Groupe Roxboro Bauval.
1620 Newman Crescent
Dorval, Quebec
H9P 2R8
87, Émilien-Marcoux
Blainville, Québec
J7C 5M1
2500, Léon-Trépanier
Trois-Rivières, Québec
G9A 5E1
864, rang de l’achigan Sud
Épiphanie, Québec
J5X 3M9
© 2026 Tous droits réservés Roxboro
RBQ 1258-2003-97