The correct scheme of the St. Petersburg metro

In the metro, we see just such a metro map:


Such a map leads many astray, for example, people think that distilled pl. Alexander Nevsky and Novocherkassk are very long, in fact this is not the case, and there are many such errors. Such a scheme, though clearer in terms of travel under the ground, but for real-life conditions, this map is still more convenient:

This metro scheme is not mine, so there are no recent changes on it, but that’s not the point.