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Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
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Published on: January 20, 2023

Elementary processes governing the evolution of road networks.

Emanuele Strano, Vincenzo Nicosia, Vito Latora

    Scientific Reports
    |March 6, 2012
    PubMed
    Summary

    Urbanisation shows consistent road network patterns over 200 years, driven by densification and exploration. Historical roads remain crucial, highlighting simple underlying mechanisms in urban growth.

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    Area of Science:

    • Urban studies
    • Network science
    • Spatial analysis

    Background:

    • Quantitative characterization of urbanisation remains challenging.
    • Understanding the evolution of urban road networks is crucial for urban planning.
    • Historical road networks often influence modern urban structures.

    Purpose of the Study:

    • To empirically analyze the evolution of a road network over nearly 200 years.
    • To identify quantitative characteristics and governing processes of urbanisation.
    • To investigate the role of historical paths in urban development.

    Main Methods:

    • Empirical analysis of a unique dataset of road network evolution.
    • Analysis of cell shape homogenisation and road centrality.
    • Quantitative modeling of network growth through densification and exploration.

    Main Results:

    • Urbanisation is characterized by cell shape homogenisation.
    • High-centrality roads, representing historical paths, remain stable and form the urban backbone.
    • Road network growth is governed by 'densification' and 'exploration' processes.

    Conclusions:

    • Urbanisation exhibits simple, generalizable properties.
    • Historical road networks significantly shape urban evolution.
    • Identified elementary mechanisms provide a basis for improved urbanisation modeling.