Computational & Technology Resources
an online resource for computational,
engineering & technology publications
Civil-Comp Proceedings
ISSN 1759-3433
CCP: 61
Edited by: B. Kumar and B.H.V. Topping
Paper IX.1

An Object-Oriented Traffic Simulation Model for Intersection Signal Control

P. Agarwal*, R.-L. Cheu*, W.-T. Chan*, E.-P. Chew+ and C.-J. Ong$

*Department of Civil Engineering
+Department of Industrial and Systems Engineering
$Department of Mechanical and Production Engineering, National University of Singapore, Singapore

Full Bibliographic Reference for this paper
P. Agarwal, R.-L. Cheu, W.-T. Chan, E.-P. Chew, C.-J. Ong, "An Object-Oriented Traffic Simulation Model for Intersection Signal Control", in B. Kumar, B.H.V. Topping, (Editors), "Novel Design and Information Technology Applications for Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 215-222, 1999. doi:10.4203/ccp.61.9.1
A microscopic traffic simulator capable of modeling vehicle movements, traffic signal and detector operations at an intersection neighbourhood is necessary to study traffic data quality and traffic control strategy. The lack of such tool has motivated the development of an object-oriented, timestepping intersection-based simulation model named NUSSIM, currently running on a personal computer. In NUSSIM, the road, signal and detector infrastructures, and vehicles are modeled as objects. Rules are used to control the interactions between objects in the system. The intersection's road infrastructure is constructed by connecting discrete lane segments. Other than straight, left and right turn movements, vehicles also exhibit car following and gap seeking behaviour. Vehicles also response to the traffic signals, the later modeled by a signal controller and a set of signal heads. Detector operation is replicated to collect data for traffic control and research studies. The object class definitions and rules have been written 11 modules in the simulation code. The open-architecture in the program code helps to facilitate future expansion. The model is currently undergoing calibration at a typical local intersection. Future expansion of NUSIM to include vehicle movements between two adjacent intersections, and signal co-ordination will be made.

purchase the full-text of this paper (price £20)

go to the previous paper
go to the next paper
return to the table of contents
return to the book description
purchase this book (price £66 +P&P)