The road crosses the A29 autoroute and then joins the A151 which becomes the N 27 although it remains autoroute standard. It passes to the west of the town of Tôtes. After Catteville the road becomes single carriageway.
The road meets the A29 autoroute and subsequently integrates with the A151, which reverts to being the N 27 but continues as an autoroute. It passes by the town of Tôtes. Beyond Catteville, the road transitions to a single lane.