Academic Journal

A Quantitative Analysis of Superblocks Based on Node Removal

التفاصيل البيبلوغرافية
العنوان: A Quantitative Analysis of Superblocks Based on Node Removal
المؤلفون: Lingxuan Zhang, Monica Menendez, Bin Shuai
المصدر: IEEE Access, Vol 8, Pp 84996-85006 (2020)
بيانات النشر: IEEE, 2020.
سنة النشر: 2020
المجموعة: LCC:Electrical engineering. Electronics. Nuclear engineering
مصطلحات موضوعية: Urban traffic, block size, superblocks, traffic performance, node removal, Electrical engineering. Electronics. Nuclear engineering, TK1-9971
الوصف: Superblocks are city blocks whose size is significantly larger than average. Despite their widespread use across countries such as China, few studies have investigated how these superblocks affect network traffic performance. This paper aims to narrow that gap in knowledge. To that end, we use a grid network emulating a dense city environment. Then, multiple scenarios corresponding to size, location, shape, and number of superblocks are designed by removing nodes and related links. We evaluate network traffic performance by considering the factors of travel distance, travel time, volume-to-capacity ratios on nodes and links, as well as the level of traffic heterogeneity. The results indicate that superblocks with relatively small size (i.e. less than 1/4 of the network size) do not affect traffic significantly. The importance and connectivity of nodes and links related to superblocks are crucial factors affecting the overall traffic performance. In general, the more central the superblock, the larger its influence on the network traffic, except for extremely large superblocks that can significantly affect traffic when located in the periphery, as they lead to high traffic heterogeneities. Rectangular superblocks are more detrimental than square ones. Furthermore, traffic performance can be significantly improved by dividing the superblock into several relatively smaller blocks. Our results should be of direct interest to city-planning decision-makers in dense urban centers.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2169-3536
Relation: https://ieeexplore.ieee.org/document/9086433/; https://doaj.org/toc/2169-3536
DOI: 10.1109/ACCESS.2020.2991313
URL الوصول: https://doaj.org/article/ec0a9bf025c44d39a638eedc534a6584
رقم الانضمام: edsdoj.0a9bf025c44d39a638eedc534a6584
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:21693536
DOI:10.1109/ACCESS.2020.2991313