Modifying traffic routes and bus stations down town 'Hamedan' using geographically informational systems(GIS)

摘要

As we Know, all of the urban regions are developed by increasing population, social- economical activities and also demands for exploiting facilities and infrastructure in those areas. Transportation is one of the infrastructure facing the increase of demands in cities. Referring to this matter, it can be understood that most of the cities in developing countries as Iran, having developed considerably during the recent decades, include different problems in intra city transportation. So, they should change their public transport system. "Hamedan" is a city, while developing, has had a special situation in extending travels or journeys, up to now, but it cannot provide enough welfare services for its own citizens. In other words, this city is lacking improved transportation systems to be able to meet these needs or demands. Because of this, it seems necessary the transport planning processes the so - called city to be corrected. According to the investigation here, since there are not any intra city railroads in "Hamedan" and citizens have no choice except travelling to other cities by bus, it will be essential to improve this system. Developing the transportation system and the level of urban activities in the central part of "Hamedan " during the past 90 years have been caused by the radius Plan implemented within urbanization processes in this period of time. Moreover, the quality of bus service system in that city has decreased because of increasing population, traffic, urban trips and demands for travelling through the city center. The main aim of this study is to analyze the bus service transport system in " Hamedan" city center applying a geographical information structures and present some suggestions for bus lanes to be modified in this part, too. Key words: Public transportation, bus (service) lanes, geographical informational systems.