Kammennoostrovsky Prospekt (Russian: Каменноостро́вский проспе́кт) is one of the main streets of Petrogradsky District of Saint Petersburg, spanning from Trinity Bridge and Trinity Square across Petrogradsky Island, the Karpovka River, Aptekarsky Island, the Malaya Nevka and Kamenny Island to the Bolshaya Nevka. It is served by the stations Gorkovskaya and Petrogradskaya of Saint Petersburg Metro. At Leo Tolstoy Square, where Petrogradskaya is situated, Kamennoostrovsky Prospekt crosses another large avenue, Bolshoy Prospekt. The section of Kamennoostrovsky Prospekt between Trinity Sq and the Malaya Nevka was named Red Dawns Street (улица Красных зорь) in 1918-1934 and Kirovsky Prospekt (Кировский проспект) after Sergey Kirov in 1934-1991.