Thanks to Eric Chan, who completed his MSc dissertation on the sDNA project, we can now produce cycling models in many cases without needing to model motorized traffic first. This saves planners a lot of effort.
Chan, E.Y.C., Cooper, C.H.V. Using road class as a replacement for predicted motorized traffic flow in spatial network models of cycling. Sci Rep 9, 19724 (2019). https://doi.org/10.1038/s41598-019-55669-8