Teetõkkeseadmed (heitekingad, -pöörangud või -sulgrööpad) ei tohi suletud asendis võimaldada rongi või muu veeremi väljumist teelt, millele nad on üles seatud. Nendel seadmetel peavad olema teetõkkenäidikud.
Railway infrastructure consists of the following items, provided they form part of the permanent way, including sidings, but excluding lines situated within railway repair workshops, depots or locomotive sheds, and private branch lines or sidings: ... Superstructure, in particular : rails, grooved rails and check rails; sleepers and longitudinal ties, small fittings for the permanent way, ballast including stone chippings and sand; points, crossings, etc.; turntables and traversers (except those reserved exclusively for locomotives) ...
