After splining a layout using Smooth type of line for the initial nodes, then I converted them to Bezier and then used breaks in the segments with more bezier nodes. I then created a plane 4000m long by 12m and altered the segments so I have 4 x 3m width planes across the track and 5m length planes. Next i used Path Deform Modifier and used the created spline as the path but it doesn't really follow it.
Also is this a correct way of lofting a track? It seems a better way to get the track split up into specific lengths compared to the loft tool which doesn't seem to space things very evenly. Will I still be able to edit elevation on the spline afterwards?