This paper concerns the problem of decision making on the selection of public transportation modes. The problem is formulated through sustainability indicators and the objective framework is based upon AHP-TOPSIS. In this research, the city of Isfahan (Iran) is our case study. The definition of different points of view was developed through interviews to stakeholders, experts in transportation ...

The most important thing nowadays is to use available resources develop infrastructure as efficiently possible. In this regard, evaluating the deterioration of tramway tracks critical from both a technical and an economic viewpoint. Hungary, seven types superstructure systems are currently differentiated in case transport, but geometrical deterioration, lifecycle, lifecycle cost not accurately ...

Carbon isotopic studies from marine organic matter of the Permian-Triassic Maitai Group, New Zealand, reveal a significant 5Corg shift toward more negative values within the Little Ben Sandstone Formation. These isotopic data chemostratigraphically define the previously debated position of the Permian-Triassic boundary in the Maitai Group. The Permian-Triassic record of the Maitai Group is also...