Zlasti v primeru tirov s tamponskim slojem se je dela treba lotiti s pomočjo postopnih faz prometa pred začetkom obratovanja pri zmanjšani hitrosti, čemur sledi večanje hitrosti v skladu s skupnim prometom, pri čemer se upošteva stopnja utrditve tira z umetnimi sredstvi.
In particular, for ballasted tracks, it may be necessary to proceed by means of successive phases of pre-commercial service at reduced speed, followed by speed incremental upraising depending on the total elapsed traffic, the latter taking into account the level of track stabilisation obtained by artificial means.