Exploratory visualisation of congestion evolutions on urban transport networks

Cheng, Tao and Tanaksaranond, Garavig and Brunsdon, Chris and Haworth, James (2013) Exploratory visualisation of congestion evolutions on urban transport networks. Transportation Research Part C: Emerging Technologies, 36. pp. 296-306. ISSN 1879-2359

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Visualisation is an effective tool for studying traffic congestion using massive traffic datasets collected from traffic sensors. Existing techniques can reveal where/when congested areas are formed, developed, and moved on one or several highway roads, but it is still challenging to visualise the evolution of traffic congestion on the whole road network, especially on dense urban networks. To address this challenge, this paper proposes three 3D exploratory visualisation techniques: the isosurface, the constrained isosurface, and the wall map. These three techniques have different advantages and should be combined to leverage their respective strong points. We present our visualisation techniques with the case of link travel time data from Automatic Number Plate Recognition (ANPR) in London.

Item Type: Article
Keywords: 3D visualisation; Travel time; Road network; Space–time; Congestion;
Academic Unit: Faculty of Science and Engineering > Research Institutes > National Centre for Geocomputation, NCG
Item ID: 5852
Identification Number: 10.1016/j.trc.2013.09.001
Depositing User: Prof. Chris Brunsdon
Date Deposited: 17 Feb 2015 17:19
Journal or Publication Title: Transportation Research Part C: Emerging Technologies
Publisher: Elsevier
Refereed: Yes

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