Solve complex network design challenges using the unique lane-based SIDRA model

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what is SIDRA intersection

What is SIDRA INTERSECTION?

Micro-analytical software used as an aid for the design and evaluation of single intersections and networks of intersections.

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Easily configure and analyse complex Networks

The new version of SIDRA INTERSECTION 9 is here. You can now easily configure and analyse complex networks of up to 50 Sites!

Lane based network model

Unique Lane-Based SIDRA Network Model

Model many different network configurations, including some very complex arrangements with ease, using the lane-based SIDRA model.

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User Interface Videos

Watch this series of tutorial videos running through the great new UI features in SIDRA INTERSECTION 9.

Powerful new features in SI-9

VOLUMES Utility

VOLUMES is an Excel application for SIDRA INTERSECTION allows specification of Volumes and related data and provides useful Output.

Most widely used software USA

Most widely used Software in the USA

The most widely-used software tool in the USA for roundabout capacity and performance analysis.

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Based on 40+ years of leading research

SIDRA INTERSECTION has been a valuable technology transfer tool based on 40+ years of leading research carried out in Australia and elsewhere.

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SIDRA Model Summary

Read a summary of SI-9's powerful SIDRA Model features that allows all intersection types – signals, roundabouts, sign control and pedestrian crossings in one network.

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SIDRA API

SIDRA API provides a programming interface that enables external applications to communicate with SIDRA INTERSECTION to achieve more.