مدل‌سازی چهارمرحله‌ای تقاضای حمل‌ونقل برای شهرهای با جمعیت صد هزار تا سیصد هزار نفر

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار، دانشکده مهندسی راه آهن، دانشگاه علم و صنعت ایران، تهران، ایران

2 دانش آموخته دکتری، دانشکده مهندسی عمران، دانشگاه صنعتی شریف، تهران، ایران

چکیده

برنامه‌ریزی حمل‌ونقل شهری، فرآیندی است که منجر به تصمیم‌گیری در مورد برنامه‌ها و سیاست‌های حمل‌ونقل می‌گردد. هدف این فرآیند تهیه‌ی اطلاعات لازم برای تصمیم‌گیری در مورد این است که سیستم حمل‌ونقل چه موقع، در کجا و به چه شکلی باید بهبود یابد. لازمه‌ی کسب این اطلاعات و اطمینان از نتیجه‌ی کار، طی کردن روند منطقی و سامانمند مربوط به برنامه‌ریزی است. به همین منظور در این پژوهش ابتدا به معرفی روش‌های مختلف مدیریت حمل‌ونقل و سیاست‌های مهم در حوزه برنامه‌ریزی حمل‌ونقل درون‌شهری پرداخته شده است. پس‌ازآن، تلاش شده تا با ساخت یک برنامه کامپیوتری مدل‌سازی تقاضای حمل‌ونقل چهارمرحله‌ای به پیاده‌سازی مدل‌های ریاضی و آماری مورد استفاده در مراحل چهارگانه تولید و جذب سفر، توزیع سفر، تفکیک وسیله و تخصیص پرداخته شود. برای ساخت این برنامه از زبان ++C استفاده گردیده است. برنامه نوشته شده در این پژوهش سیاست‌گذاران حوزه حمل‌ونقل را قادر خواهد ساخت تا بتوانند پیامدهای مثبت و منفی طرح‌های خود را برای بهبود شرایط حمل‌ونقل پیش از اجرای طرح و صرف هزینه‌های گزاف مورد تحلیل و ارزیابی قرار دهند.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Four-step modeling of transportation demand for cities with a population of 100,000 to 300,000

نویسندگان [English]

  • Reza Mohammad Hasany 1
  • Ali Mohammadi 2
1 Assistant Professor, School of Rail Engineering, Iran University of Science and Technology, Tehran, Iran.
2 Ph.D., Grad., Department of Civil Engineering, University of Technology, Tehran, Iran.
چکیده [English]

Urban transportation planning is a process that leads to decisions about transportation plans and policies. The purpose of this process is to provide the information needed to decide when, where, and how to improve the transportation system. Requiring this information and making sure it works is followed by a rational and systematic planning process. For this purpose, in this study, we first introduce different methods of transportation management and important policies in the field of urban transportation planning. Subsequently, it has attempted to implement mathematical and statistical models used in the four-steps of trip production and attraction, trip distribution, mode choice, and traffic assignment by developing a four-step transportation demand modeling computer program. C ++ has been used to build this program. The program written in this study will enable transport policymakers to analyze and evaluate the positive and negative consequences of their plans to improve transportation conditions prior to project implementation and the high costs involved.

کلیدواژه‌ها [English]

  • Four-step model
  • transportation demand
  • policy evaluation
  • trip production
  • traffic assignment
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