TY JOUR TI Compliance with environmental legislation: “green waves” as a tool for reducing transport emissions in megapolises KW environmental legislation KW transport emissions KW green wave KW intelligent transport systems KW performance evaluation of local authorities KW ambient air KW the “Ecology” national project JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Derusov, A.A. AU Pertsova, N.N. PY 2026 IS 2026 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION