American Journal of Traffic and Transportation Engineering

Volume 7, Issue 5, September 2022

  • Principles for Optimizing Geometric and Functional Properties of Railway Track Reverse Transitions

    Velichko Gennady

    Issue: Volume 7, Issue 5, September 2022
    Pages: 74-83
    Received: Jul. 21, 2022
    Accepted: Aug. 24, 2022
    Published: Sep. 08, 2022
    DOI: 10.11648/j.ajtte.20220705.11
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    Abstract: The article describes the principles of optimizing the railway track alignment design on the example of a transition between reverse curves. The purpose of this optimization was to minimize the length of the reverse transitions of railway track under the condition of ensuring the simplicity of their construction and subsequent operation with a high... Show More
  • A Financial Feasibility Study on the New Aircraft Investment Based on Multiple Perspectives -- A Case Study of Boeing 7E7

    Mengyuan Lu, Xiao Zhang, Tira Zhang

    Issue: Volume 7, Issue 5, September 2022
    Pages: 84-92
    Received: Sep. 12, 2022
    Accepted: Oct. 05, 2022
    Published: Oct. 11, 2022
    DOI: 10.11648/j.ajtte.20220705.12
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    Abstract: Commercial aircraft design and manufacture is known for the characteristics of high investment, high risk and high technology. Typically it is the number one priority to analyze financial feasibility on the manufacturer level to measure future risks and avoid strategic decision-making mistakes. Unlike the fruitful results in the research on technic... Show More