%0 Journal Article %T Possibility of Extending Tramway Track Service Life in St. Petersburg %A Basovskiy, D.A. %A Vostrikov, O.V. %A Panchenko, N.M. %K Tramway track, hardness, grooved rail, service life, structure %J Bulletin of scientific research results %D 2023 %N 2023 %P 8 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"