Tehran metropolitan traffic flows, Capacity and power production crisis: A Case Study of Shahid Hemmat highway

In recent decades, Tehran, as the largest metropolis in the countris of the Middle East, has been grappling with traffic problems, and has seen so much damage and economic costs, social, cultural, environmental and seen;Tehran, has lost very capital, material, spiritual and human being; studies show that the issue of traffic on highways and major transportation lines of Tehran gone out normal and dimensions beyond the issue or problem to be;The traffic in Tehran, slowly around and Expand boundaries and to be near the crisis area, In other words, the traffic in Tehran, gradually developed its own limits and the limits of approaching crisis; so that the number of days in the year seriously be regarded as a crisis traffic. The highway traffic by one of the most traffic in Tehran is the main issue that will require the analysis of various aspects of it; one of the main east-west corridors shahid Hemmat highway in Tehran is that, in addition to providing access to the central part of the city, the main role is to through traffic; heavy traffic in the morning and evening peak hours, especially in the middle section represents a high proportion of journeys tend to be centers of attraction in the metropolitan area.