SI-6 TUTORIAL VIDEOS//


Click on the above playlist to watch video tutorials for SIDRA INTERSECTION 6. Visit and subscribe to our YouTube channel for these and more tutorial videos.

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NEXT GENERATION MICRO-ANALYTICAL NETWORK ANALYSIS TOOL//

SIDRA INTERSECTION 6 now features a unique lane-based micro-analytical model for network analysis incorporating all types of intersection. This version introduces the biggest changes in the 30-year history of the software. Three major elements of change are the Network Model, Movement Classes and Origin-Destination Movements as a basis of all data and modelling.

Lane disciplines (exclusive and shared lane arrangements) and all movement data are specified, and all lane flow calculations, capacity and performance estimation and signal timing calculations are carried out by Origin – Destination movements and Movement Classes.


SI-6 User Interface (Std Left) - Site Layout & Phase Sequence SI-6 Network Configuration Dialog (Std Left) - 4 Site Closed Network SI-6 User Interface (US) - Site Layout & Delay Control SI-6 Network Layout & Network Summary Report (US)

//UNIQUE LANE-BASED NETWORK MODEL FOR ALL TYPES OF INTERSECTION

SIDRA INTERSECTION 6 employs a lane-based network model allowing all intersection types - signals, roundabouts, sign control in one network. Backward Spread of Congestion (queue spillback) resulting in capacity reduction at upstream lanes, and Capacity Constraint reducing the demand volumes of downstream lanes as a result of oversaturated upstream lanes are powerful features of this model.

Lane Movements are used to model blockage of upstream lanes depending on lane choices of movements from approach lanes to exit lanes. Upstream and downstream lane flows and mid-block lane changes determine platooning on an approach.

Networks are easy to configure using SIDRA INTERSECTION Sites.


4-Site Closed Network. Network Display - Degree of Saturation (Std Left) 4-Site Closed Network Network Flows Dialog (Std Left) 3-Site Network, Network Display - Speed efficiency (US) 3 -Site Network, Network Flows Display (US)

//ANALYSE DIVERSE MOVEMENT CLASSES

Light vehicles, heavy vehicles, buses, bicycles, large trucks, light rail/trams as well as two user classes - with different vehicle characteristics - can be allocated to different lanes, lane segments and signal phases. This provides a unique method for modelling of Bus Priority Lanes, Bicycle Lanes, and so on.


Bus Priority Lanes & Signals (Std Left) Bicycle Lanes (Std Left) Bus Priority Lanes & Signals (US) Light Rail (US)

//ORIGIN - DESTINATION MOVEMENTS

Data and modelling by Origin-Destination (OD) Movements allow improved handling of movements at intersections with diagonal legs and U turns.


Lane Geometry Dialog (Std Left) Output Displays (Std Left) Lane Geometry Dialog (US) Movement Out Report & Display (US)

//MORE FLEXIBLE & POWERFUL LANE GEOMETRY SPECIFICATION

Two-segment lanes (with different Movement Classes allocated to individual segments), contra-flow lanes, strip islands, high-angle and low-angle slip / bypass lanes allow more flexible and powerful lane geometry specification.


Site Layout (Std Left) Lane Configuration (Std Left) Site Layout (US) Lane Configuration (US)

//MANY NEW POWERFUL ROUNDABOUT MODEL FEATURES

SIDRA INTERSECTION is the most advanced software for roundabouts and this new version includes many new powerful model features:

Roundabout corridors can be analysed in detail using the new network model.

Roundabout geometry:

  • Raindrop design
  • Strip islands (between lanes)
  • Wide splitter island in roundabout layout picture
  • User-specified inscribed diameter and number of downstream circulating lanes

Circulating lane flows: improved model of unequal circulating lane flow rates for bunching calculations, and circulating lane flow rates given in the Detailed Output report.

"Set as Dominant Lane" for user control of how the dominant and subdominant lanes are determined.

"Include Slip/Bypass Lane in Entry Lane Count" for user control of how slip / bypass lanes are handled.

"Percent Opposed by Nearest Lane Only" for specifying conditions where some traffic gives way (yields) to the nearest circulating lane or exiting lane.

Origin-Destination Factor: model improved to make allowance for lane flow balance of lanes on the dominant approach.

HCM 2010 roundabout capacity model: improved calibration method introduced.


Circulating & Approach Lane Flows (Std Left) Roundabouts Input Dialog (US) Roundabout Corridor with Signals (US) Raindrop Roundabout Input Dialog (US)

//ENHANCED TRAFFIC SIGNAL ANALYSIS

  • Variable phase sequence analysis.
  • Bus priority and other special vehicle signals using new Movement Class method.
  • Pedestrians at signals:
    • New features include slip lane crossings, diagonal crossings (for all-pedestrian phases) and more flexible pedestrian staged crossing arrangements.
    • Pedestrian Actuation and Walk Time Extension features.
    • Automatic calculation of Extra Start Loss values for Opposing Pedestrian effects.
    • Improved pedestrian performance equations.
  • Free Queue: Instead of integer vehicle values, Free Queues are specified as distance values.
  • Easier phase sequence data specification.

Phasing & Timing Dialog (std Left) Signal Timing Output (Std Left) Movement Timing Diagram (US) Phase Sequence Display (US)

//IMPROVED DEMAND & SENSITIVITY ANALYSIS

Demand and Sensitivity analysis results can now be obtained and the Graphs facility used for a selected lane, approach or origin-destination movement (by Movement Class) in addition to intersection level analysis.

Variable Run facility generates data that can be used for further graphs.


Demand & Sensitivity Dialog (Std Left) Graphs of Design Life Analysis (Std Left) Graphs of Sensitivity Analysis (US) Variable Run Report (US)

//NEW TWO-WAY SIGN CONTROL METHOD

The new two-way sign control method adjusts gap acceptance parameters automatically for intersection geometry and control, with option to apply reduction with opposing flow rate. The new model of opposing stream headways includes the effect of unequal lane use of opposing (major) stream lanes on minor stream capacities. A new parameter Percent Opposed by Nearest Lane Only is used for specifying conditions where some traffic gives way (yields) to the nearest opposing (major road) traffic lane.

The two-way sign-control model includes the effect of pedestrians on vehicle movements.


Two-Way Sign Control Layout (Std Left) TWSC Calibration Dialog (Std Left) TWSC Opposing Flow Effect (US) TWSC Gap Acceptance Data Dialog

//EXTENSIVE NEW MODEL CALIBRATION PARAMETERS

User Models allow settings of default systems based on local calibration of input parameters.

Extensive new model calibration parameters are provided including fuel consumption and emission model parameters updated for modern vehicles.


Model Settings Dialog (Std Left) User Models (Std Left) HCM2010 Roundabout Model Calibration (US) Movement Calibration Data (US)

//TRAINING WORKSHOPS

A good understanding of traffic operations at intersections is essential for effective use of traffic models for intersection design and traffic planning purposes. Model calibration is an important element of this process. Our SIDRA INTERSECTION workshops are not just about intersection analysis, but aim to improve general understanding of operational analysis of all traffic facilities.

Visit our TRAINING section to view SIDRA INTERSECTION 6 workshop dates, detailed information and registration. Contact the Sales Department if you need further information.

We have representatives who run training workshops in other countries. They are supported by Akcelik & Associates for providing up to date training programs. See our list of Representatives


//BUY SI-6 ONLINE

PLUS/1PC Version From $2450 AUD NETWORK/1PC Version From $3700 AUD NETWORK/1PC UPGRADE From $1450 AUD

Available in two versions:
SI-6 PLUS | FOR ONE OR TWO INTERSECTIONS
SI-6 NETWORK | FOR UP TO 20 INTERSECTIONS

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We are offering special pricing to upgrade from your existing SIDRA INTERSECTION 6 PLUS/1PC licence to a NETWORK/1PC licence. To upgrade your licence at any time visit our PURCHASE UPGRADE page.

SI-6 NETWORK UPGRADE will allow you to model Networks with up to 20 intersections.

Upgrade Professional Version 1PC (Per Unit) - 1,450 AUD
Upgrade Educational Version 1PC (Per Unit) - 250 AUD

PLUS & NETWORK version of the software offer exactly the same functionality, except you can model up to 20 intersections with the NETWORK version. PLUS version you can model one or two intersections.

You may wish to contact us to discuss your options.

IMPORTANT INFORMATION ABOUT COVER: Do not renew your PLUS/1PC COVER if you are about to purchase a NETWORK/1PC UPGRADE. The new NETWORK/1PC licence will include 12 month COVER - your new COVER Renewal date will be 12 months from the date the NETWORK/1PC UPGRADE was purchased. Your PLUS/1PC licence and any remaining COVER associated to the PLUS/1PC licence will be cancelled.


 
 
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