August 31 while the second phase finished on December 4. Seven days later, the section from the Berezhkovskii Bridge to the Kutuzovsky Avenue was completed, with a tunnel interchange going under the avenue. In the fall of the year 2000, the section between Komsomolsk Avenue in the Khamovniki District to Leninsky Avenue in the Donskoy District was completed and opened, with St. Andrew's Bridge which crosses the Moskva River between the two avenues. On December 30, the section between Kutuzovsky Avenue of the Dorogomilovo District and Shmitovsky Thoroughfare of the Presnensky District was built and opened, which includes the Dorogomilovsky Bridge located between the two districts and over the Moskva River. The area east of the beltway north of Moskva River after crossing the Dorogomilovsky Bridge would become the MIBC. A tunnel interchange on Nizhnyaya Maslovka Street which goes under the beltway was built and opened on August 28, 2001 in the northern parts of the highway in the Savyolosky District. The interchange the beltway crosses Leninsky Avenue is a tunnel interchange under Gagarin Square named Gagarin's tunnel. It was constructed along with a section to Volgograd Avenue of southeastern central Moscow, with a reconstructed Avtozavodskii Bridge, on December 12. In the same year, the section between Shmitovsky Avenue and the Zvenigorod Highway was completed although the date is not clarified. On November 6, 2002, the section between Zvenigorod Highwayand and Begovaya Street located on the western part of the beltway was completed and opened, thus connecting the northern beltway with the western and southern beltway. The section between Ostapovsky Thoroughfare and Nizhny Novgorod Street on the eastern part of the beltway were built and opened on the same time as well. The area between Spartakovskaya Street and the Krasnokazarmennaya embankment by the Yauza River were finished in the Basmanny District on October 1, 2003. The section between Nizhny Novgorod Street to the Highway of the Enthusiasts, also known as Entuziastov Highway which borders the Lefortovo District in the north was finished in the same time as well. One month later, the Lefortovo Tunnel finished construction and was opened, connecting the Third Ring Road's sections in the Basmanny District, therefore closing and finishing the beltway. On November 4, 2005, four interchanges were redesigned and reconstructed: the Leningradsky Avenue interchange over the Third Ring Road (due to extensive renovation and conversion of the Avenue into a 12-lane freeway which includes an