پژوهشنامه حمل و نقل

پژوهشنامه حمل و نقل

مدل تخمین زمان انتظار عابران پیاده در تقاطعات چراغ‌دار شهری

نوع مقاله : مقاله پژوهشی

نویسندگان
1 دانش آموخته کارشناسی ارشد، گروه راه و ترابری، دانشکده مهندسی عمران محیط زیست،دانشگاه تربیت مدرس، تهران، ایران
2 دانشیار، گروه راه و ترابری، دانشکده مهندسی عمران و محیط زیست، دانشگاه تربیت مدرس، تهران، ایران
چکیده
عابران پیاده آسیب‌پذیرترین قشر کاربران راه هستند. درصد بالایی از تصادفات عابران پیاده در تقاطعات چراغ‌دار شهری رخ می‌دهد. با وجود تفکیک حرکت عابران از وسایل نقلیه موتوری در تقاطعات چراغ‌دار شهری، آمار تصادفات و صدمات بدنی عابران پیاده در تقاطعات چراغ‌دار قابل‌توجه است. مهم‌ترین عاملی که موجب تداخل عابر پیاده و وسایل نقلیه می‌گردد، حرکت عابران پیاده در زمانی است که چراغ عابر پیاده قرمز است و وسایل نقلیه در تقاطع در حال حرکت هستند. هدف این پژوهش تخمین زمان انتظار عابران پیاده یا به‌عبارت‌دیگر درک آستانه تحمل عابران منتظر در تقاطع چراغ‌دار شهری و عوامل مؤثر بر آن است. به‌منظور ارزیابی، اطلاعات 504 عابر پیاده در یک تقاطع در شهر تهران از طریق ناظر میدانی و ویدئوگرافی برداشت شد. سپس یک مدل رگرسیون خطی برای تخمین زمان انتظار عابران پیاده در تقاطع توسعه داده شد. پس از بررسی مدل رگرسیون از لحاظ آماری و شهودی مشخص گردید که متغیرهایی همچون جنسیت، سن، همراه‌داشتن توشه، تعداد عابران منتظر در تقاطع، تعداد گروه عابران و روز تعطیل بر زمان انتظار عابران پیاده اثرگذار هستند. از میان این متغیرها، متغیر روز تعطیل اثرگذارترین متغیر بر زمان انتظار عابر پیاده بود. همچنین مشاهده شد که یک‌سوم از عابرانی که به تقاطع وارد می‌شدند، بدون توقف از تقاطع عبور می‌کنند. سایر عابران نیز تمایل ندارند که زمان انتظار بیشتر از 35 تا 55 ثانیه را تجربه کنند. نتایج این تحقیق به طراحی تقاطعات چراغ‌دار شهری باتوجه‌به آستانه تحمل عابران پیاده کمک خواهد کرد.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Model for Estimating the Pedestrians Waiting Time at Signalized Urban Intersections

نویسندگان English

Alireza Naderi Lordejani 1
Aminmirza Boroujerdian 2
1 M.Sc., Grad., Department of Road and Transportation Engineering, Faculty of Civil Engineering and Environment, Tarbiat Modares University, Tehran, Iran.
2 Associate Professor, Department of Road and Transportation Engineering, Faculty of Civil Engineering and Environment, Tarbiat Modares University, Tehran, Iran.
چکیده English

Pedestrians are the most vulnerable group of road users. A high percentage of pedestrian accidents occur at signalized urban intersections. Despite the separation of pedestrian movements from motorized vehicles at signalized urban intersections, the statistics of pedestrian accidents and injuries at signalized intersections are significant. The most critical factor causing conflicts between pedestrians and vehicles is pedestrians crossing when the pedestrian signal is red and vehicles are in motion at the intersection. The aim of this research is to estimate pedestrian waiting times, also known as pedestrian waiting tolerance thresholds, at signalized urban intersections, and to identify the factors influencing them.

For the assessment, data from 504 pedestrians at an intersection in Tehran were collected through field observation and videography. Then, a linear regression model was developed to estimate the waiting time of pedestrians at the intersection. Statistical and visual examination of the regression model revealed that variables such as gender, age, luggage carriage, the number of waiting pedestrians, pedestrian group count, and weekends significantly impact pedestrian waiting times. Among these variables, the weekend variable had the most significant impact on the waiting time of pedestrians.Aditionally, it was observed that one-third of pedestrians entering the intersection cross without stopping, and other pedestrians prefer not to experience waiting times longer than 35 to 55 seconds.

The results of this study will assist in the design of signalized urban intersections considering pedestrian tolerance thresholds.

کلیدواژه‌ها English

Pedestrian Waiting Time
Pedestrian Safety
Pedestrian Behavior
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