 From here, NCR 23 travels along a shared use boardwalk alongside the tidal section of the River Itchen, then leaves the boardwalk to pass through a small industrial area to reach Radcliffe Road, which it follows until it reaches the A3024 road in Northam.The cycle route crosses the dual carriageway A3024 and crosses the railway near the site of Northam railway station within view of St Mary's Stadium.The route heads through the suburb of St Mary's and westwards into Southampton City Centre, reaching Above Bar Street where the route turns south into the pedestrianised shopping area and on to the Bargate.