2x2-lane motorway 58 km long including 22 km in the Seine-Maritime and 36 km in the Somme departments.

• the project comprises a motorway node with the A28 motorway, a half-interchange at Mortemer, an interchange serving Aumale, an interchange serving Poix-de-Picardie and a motorway node with the A16 in Amiens
• along the motorway, a rest area is associated with a mainline toll barrier at the Aumale interchange and a service area is associated with the Poix-de-Picardie interchange
• the motorway crosses the Bresle Valley on a 750-m-long viaduct, 40m high and involves about 50 other standard bridges/structures
• earthworks volumes involve about 6.4 million m³ of cut and 4.2 million m³ of fill