Between Route des Défricheurs located in Shawinigan and 4th Avenue located in Grandes-Piles. Alternating circulation, at all times.
In Saint-Roch-de-Mékinac, at km 18. Alternating traffic, at all times.
Between km 17 located in Saint-Roch-de-Mékinac and 69 located in Trois-Rives. Alternating traffic, Monday to Friday between 6 a.m. and 6 p.m.
In La Tuque, at km 107, Alternating traffic, At all times. Track width reduced to 4.5 meters.
In La Bostonnais, at km 132. Alternating traffic, Monday to Friday at all times.