For this particular rute there are alternative way to reach most of the zones, The road arrives in a smallish square and to exit on has to enter atother narrow road. It’s a rather unique case.
In this case a similar problem was solved with a less advanced solution: a green gate, with a padlock. If a delivery van has to enter, it will park in reverse and call the shop owner that has the padlock key. In Turin there are quite a few gated roads, even in the suburbs. In some cases the gate was put after some GPS incidents where unsuspecting people found themseves in the middle of wheat fields in roads ment to be used by combined harvesters.
