Progression of different vehicle types in a signalised urban arterial corridor - Model development and calibration
Ramsay, Euan D. & Bunker, Jonathan M. (2004) Progression of different vehicle types in a signalised urban arterial corridor - Model development and calibration. In 26th Conference of Australian Institutes of Transport Research, 8-10 December, 2004, Melbourne. (Unpublished)
Increasing freight demand has lead to a greater presence of multi-combination-vehicles, such as B-doubles, on Australia’s roads. The impacts of these vehicles on signalised urban arterial corridor performance are of concern to many road users. This paper describes the development and calibration of a microsimulation model to be used to study these impacts. The discrete-time model considers all vehicles to behave autonomously according to their own capabilities and in response to surrounding vehicles and traffic controls. Traffic flow and trajectory data from a major freight route through Brisbane’s suburbs was used to calibrate the model. Different headway distributions were found for different vehicle types, and modelled by a lognormal distribution. A GPS-equipped car followed subject vehicles along the corridor, whilst the status of 20 signalised intersections was recorded by the STREAMS traffic management system. Acceleration profiles were used to calibrate the unimpeded acceleration models for different vehicle types.
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|Item Type:||Conference Paper|
|Keywords:||Signalised intersection, coordination, microsimulation, progression, heavy vehicle, B, double|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Transport Engineering (090507)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2004 (Please consult author)|
|Deposited On:||06 Dec 2004|
|Last Modified:||02 Feb 2012 19:42|
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