Battle of Kursk guns and mortars. In 1943 an offensive by the Soviet Central, Bryansk and Western Fronts against Army Group Centre was abandoned shortly after it began in early March, when the southern flank of the Central Front was threatened by Army Group South. Soviet intelligence received information about German troop concentrations spotted at Orel and Kharkov, as well as details of an intended German offensive in the Kursk sector through the Lucy spy ring in Switzerland. The Soviets verified the intelligence via their spy in Britain, John Cairncross, at the Government Code and Cypher School at Bletchley Park, who clandestinely forwarded
Kursk Kharkov, with trains also linking the city to Voronezh and Kiev. The Kursk Vostochny Airport provides domestic flights. Public transport includes buses, trolleybuses, and trams. Since 2007, the public transport introduced a satellite navigation system. The total length of the road network of the city of Kursk is 595.8 km, of which 496.2 km of roads are paved. Roads of the city have access to federal highway M2 "Crimea", as well as on the highway A144 (Kursk - Voronezh - Saratov) and P199 (border with Ukraine). Kursk bound intercity bus routes to cities and towns Kursk region and neighboring regions