Zhuchkov Pavel Sergeevich RussiaSaratovSaratov State University, 83, Astrakhanskaya Str., Saratov, 410012, Russiastudentgeograf-nauka@yandex.ru Author's articles The Possibilities of GIS Technologies in Addressing the Problem of Optimizing Route of Gas Main (with Petrovskiy District of Saratov Region as an Example) Imitating Modeling of Emergency Situation Risk During Accident on Model Part of Gas Main (with Petrovskiy District of Saratov Region as an Example) with GIS Technologies Application