ツァールスコエ・セロー
The Tsarskoye Selo Railway had a short length, very limited capacity, and nearly no industrial value – it was mainly transporting nobles for sightseeing in Tsarskoye Selo and festivities in Pavlovsk. Yet it was regarded as an important step in the development of a rail network in Russia. In particular, experience demonstrated the drawbacks of the rail spacing, and the following rail networks used the more standard gauge tracks. In the 1840–50s, the Tsarskoye Selo Railway was actively used for training of railroad personnel and various locomotive and railroad tests.