Nowadays, Tehran Urban and Suburban Railway System (TUSRS) is going to be completed by eight lines and 149 stations. This complex transportation system contains 168 links between each station pairs and 20 cross-section and Y-branch stations among all eight lines. In this study, we considered TUSRS as a complex network and undertook several analyzes based on graph theory. Examining e.g. centrali...

It is conspicuously to announce that China has already become the country with the largest-scale market as well as the fastest growing urban rail transit in the world. This article, from the perspective of production and operation, has described the status quo of the informationization of rail transit enterprises and analyzed the demands for functions of operation information system of these en...

This study investigates the diurnal, seasonal, monthly and temporal variation of land surface temperature (LST) urban heat island intensity (SUHII) over Isfahan metropolitan area, Iran, during 2003–2019 using MODIS data. It also examines driving factors SUHII like cropland, built-up areas (BI), urban–rural difference in enhanced vegetation index (ΔEVI), evapotranspiration (ΔET), white sky albed...

1 Pediatrics Department, Child Growth and Development Research Center, Isfahan University of Medical Sciences, 81676-36954 Isfahan, Iran 2Environmental Engineering Department, Environment Research Center, Isfahan University of Medical Sciences, Isfahan, Iran 3Preventive Cardiology Department, Children’s Hospital Boston, Boston, MA, USA 4Arteriosklerose-Präventions-Institut, University of Munich...

This study was undertaken to investigate molecularly the occurrence of EHV-1 and EHV-4 infection among equine population in regions, Iran. Blood samples from 53 and 37 randomly selected horses settled in Isfahan and Shahrekord, Iran, respectively, were collected. Detection of EHV-1 and EHV-4 genes in the blood samples was done using polymerase chain reaction (PCR). Out of 53 and 37 samples from...

The paper illustrates some aspects of energy conversion processes during underground electric train operation. Energy conversion processes are explained using exergy, in order to support transport system sustainability. Loss of exergy reflects a loss of potential of energy to do work. Following the notion that life in Nature demonstrates sustainable energy conversion, we approach the sustainabi...

Operating suburban trains on existing railways has been highly valued in China due to the advantages of activating railway resources, reducing construction costs and improving overall transportation efficiency. As a result, it is proposed that 'operating railways' key task urban rail transit network. Recently, south section Xinyi-Changxing Railway experienced low passenger freight volume, idle ...

Increasingly, urban rail transit (URT) is seen as a desirable solution for transportation challenges faced by both urban planners and residents of suburban areas alike. The availability and ease of access to URT, in turn, may result in distortions in local real estate markets. The conventional wisdom, in fact, suggests that construction of urban rail lines serves as a magnet for new housing dev...

In the context of public transportation system, improving the service quality and robustness through minimizing the average passengers waiting time is a real challenge. This study provides robust stochastic programming models for train timetabling problem in urban rail transit systems. The objective is minimization of the weighted summation of the expected cost of passenger waiting time, its va...