At the northern end, had the road been built in full, the entry and exit ramps to and from the elevated roundabout with the Westway would have been slip roads. The main route would have continued north beneath the roundabout into North Kensington and on to the junction with the North Cross Route at Harlesden. The alignment of the slip roads leaves a wide space between for the unbuilt carriageway. On the north side of the roundabout, two short stubs indicate the starting point of the slip roads that would have been provided for traffic joining or leaving the northern section of the WCR.