including a paper mill, and to food industry. Transportation Gatchina is an important railway node. One railway, running north to south, connects the Baltiysky railway station in St. Petersburg with Dno and Nevel. Within the town limits, suburban trains in this direction stop at the platform of Tatyanino and the station of Gatchina-Varshavskaya. Another railway, also from the Baltiysky railway station, arrives to Gatchina from the northwest and has two stops, Mariyenburg and Gatchina-Passazhirskaya-Baltiyskaya. Yet another railway runs south of the town center from east to west and connects Mga via Ulyanovka with Volosovo. The railway station on this line in Gatchina is Gatchina-Tovarnaya-Baltiyskaya. The M20 Highway connecting St. Petersburg and Pskov, crosses Gatchina from north to south. South of Gatchina, it crosses the A120 Highway, which encircles St. Petersburg. A paved road connects Gatchina with Kingisepp via Volosovo. There are also local roads. Science Gatchina is the site of the Petersburg Nuclear Physics Institute. Twin towns – sister cities Gatchina is twinned with: Eskilstuna, Sweden Ettlingen, Germany Coatbridge, United Kingdom References Notes Sources Further reading St. Petersburg: Architecture of the Tsars. Abbeville Press, 1996. Knopf Guide: St. Petersburg. New York: Knopf, 1995. Glantz, David M. The Battle for Leningrad, 1941–1944. Lawrence: University Press of Kansas, 2002. Radzinsky, Edvard. Alexander II: The Last Great Tsar. New York: The Free Press, 2005. External links Official website of Gatchina Gatchina Business Directory Art monuments & History of former residence of the Russian Emperors Gatchina over the Centuries Views of Gatchina Park World Heritage Sites in Russia Royal residences in Russia Tsarskoselsky Uyezd Gatchinsky District