LinSig Version 3

A Design and Assessment Tool for Traffic Signal Junctions and Urban Networks

LinSig V3 is a major new version of LinSig and has been available since mid 2009. It adds many new features and extends the software in a number of significant directions.

Since its original release in 1985 LinSig has been the UK industry standard software for the assessment and design of traffic signal junctions. Its unique attribute was and still is the combination of both traffic and controller modelling for comprehensive traffic signal design. The software has been instrumental in advancing UK phase (signal group) based methods of control giving maximum safety and efficiency for all road users. In 2000 the first version of LinSig for Windows was released with additional features and a graphical user interface. The second Windows version, known as Version 2, was released in 2006. This extended the design capability to multi-node junctions and small networks of junctions. Popular applications include the interactive design of signalled roundabouts for which it is strongly established in the UK and overseas.

LinSig Version 3 introduces a number of improvements for individual junctions, and extends the modelling capability to larger road networks including non-signalled junctions. With lanes no longer grouped into links, individual junctions are always represented with greater precision. At each junction there is the option to include pedestrian links forming pedestrian routes with crossing times. Junctions can then be joined up into networks using tools such as matrix estimation and assignment to rapidly deal with traffic flows. As well as traffic signal design, and transport assessments for land development, LinSig Version 3 is a contender for wider transport planning projects and the sort of network studies which require excellent lane-based precision, particularly at traffic signal junctions.

Further information on LinSig:

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