Just looked on google maps - street view.
It appears the bottom 20 yards is clearway, see the sign that it ends on left hand side?
https://www.google.co.uk/maps/place/Primrose+Hill,+Sheffield,+South+Yorkshire+S6+2UW/@53.39538,-1.489197,3a,75y,246.92h,91.5t/data=!3m4!1e1!3m2!1skOA6XpN3482m6K7Pa9TekA!2e0!4m2!3m1!1s0x48797891d5ce6a43:0xf2f8aca934782b6
This is similar to all side roads off Middlewood road above the park, so watch it there especially match time when they are guaranteed to be giving tickets!