TY JOUR TI EFFECT OF LEGISLATIVE POLICIES ON TECHNICAL (TECHNOLOGICAL) STRUCTURE OF ROAD TRANSPORT IN SAINT-PETERSBURG IN 2004-2015 KW motor transport KW standards of technological safety KW emission of harmful substances KW legislative regulation JO Problems of risk management in the technosphere AU Kanaev, Y.Y. AU Lozhkin, V.N. AU Lozhkina, O.V. PY 2017 IS 2017 PB Saint-Petersburg University of State Fire Service of Emercom of Russia