![what is SIDRA intersection](/sites/default/files/styles/half_screen/public/images/2019-12/what-is-sidra-intersection.png?itok=b5bM6YOI)
Unique Lane-Based Model
Advanced micro-analytical traffic evaluation software used by transport professionals in 90+ countries across the globe. A powerful tool for the design and evaluation of single intersections and networks of intersections.
![Bus Blur](/sites/default/files/styles/half_screen/public/images/2022-12/shutterstock_134467778.jpg?itok=GAOrSIvd)
Powerful Multimodal Capacity and Performance Analysis
Improve your intersection and network design by using detailed SIDRA multimodal performance analysis rather than traditional aggregate traffic modeling.
![Pound-Sth Gippsland](/sites/default/files/styles/half_screen/public/images/2020-05/Pound-SthGippsland_Camera_0.jpg?itok=dL3aRQgG)
Based on 45 Years of Leading Research
SIDRA INTERSECTION uses one of the most advanced methodologies of any road traffic analysis software.
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Easily configure and analyse Networks of up to 50 Sites
SIDRA INTERSECTION is a powerful tool for lane-by-lane analysis of simple intersections to complex networks of up to 50 Sites!
![White and red give way sign against a deep blue sky.](/sites/default/files/styles/half_screen/public/images/2024-05/iStock-1369308275.jpg?itok=zqFtVCBS)
What kind of road traffic facilities can SIDRA INTERSECTION model?
Any Network with up to 50 Sites to model mixed types of intersections, crossings and interchanges.
![default video cover - si-9.1](/sites/default/files/styles/half_screen/public/images/2022-11/default%20video%20cover%20-%20si-9.1-01.png?itok=PHsXerWs)
What is good about analytical traffic modelling?
A brief discussion of why traffic modellers use analytical models for traffic and transport planning, management, design and operations purposes.
![Greensborough Bypass](/sites/default/files/styles/half_screen/public/images/2020-05/GreensboroughBypass.jpg?itok=q-vYZ1v5)
Why is SIDRA INTERSECTION the best software for roundabout capacity analysis?
SIDRA INTERSECTION software uses gap-acceptance methodology for roundabout capacity estimation where gap-acceptance parameters are estimated from the roundabout geometry.
![traffic jam with row of car on express way](/sites/default/files/styles/half_screen/public/images/2022-12/shutterstock_583041058.jpg?itok=zoAfnW1h)