3.2.12.00

This update is recommended for all SCATS-based users.

The update:

• Add option to include give-ways in SCATS mode Level of Service calculations.
• Corrected display error in the SCATS mode Phase Overlap View.

3.2.11.00

This update is non-essential.

The update:

• Increased the maximum allowed intergreen value to 60 seconds.

3.2.10.00

This update is recommended for all users.

The update:

• Added ability to refine the capacity results on long and short lane pairs to separate capacity values for the long and short lane.
• Added ability to import and export Matrix Estimation turning counts to csv file.
• Added ability to import multi-arm turning counts for Matrix Estimation.
• Added ability to filter the Route List for a specific Matrix Estimation turning count.
• In Matrix Estimation, allow the existing OD Matrix to be used as a prior matrix.
• In Matrix Estimation, allow the turning counts to be processed in order of increasing size.
• Added some improvements to the Matrix Estimation algorithm,
• Added the ability to specify cruise time weightings on Lane Connectors to influence the delay-based assignment.
• When saving a LinSig model, also save the Flow Assignment settings with it.
• Added some user-interface improvements and minor bug fixes.

3.2.09.00

This update is recommended for all users.

The update:

• Corrected a bug related to the use of View Arrangements and the could cause LinSig to crash.

3.2.08.00

This update is recommended for all users.

The update:

• Corrected a bug related to the use of View Arrangements and the Model Audit View that could cause LinSig to crash.

3.2.07.00

This update is recommended for all users.

The update:

• Correction to Interstage Optimiser to improve stability when producing result.
• Correction to Matrix Estimation bug that could result in an incorrect matrix cell value, but only if that value was irrelevant due to route locking.
• Correction to the "Inherit Cyclic Flow Profiles" Lane setting when inheriting from more than one upstream lanes.
• Improved UI stability and usability.

3.2.06.00

This update is recommended for all users.

The update:

• Corrected an issue that may result in an error message appearing when saving or autosaving a LinSig model.

3.2.05.00

This update is recommended for all users.

The update:

• Corrected a display issue and potential crash involving Flow Groups that have an OD Matrix with all zero values.

3.2.04.00

This update is recommended for all users.

The update:

• Corrected an update issue in SCATS controller models that had been converted from non-SCATS controller models.
• Improved the delay-based assignment when lane-based flows are also present.
• Added several stability improvements.

3.2.03.00

This update is recommended for all users.

The update:

• Added additional options when converting a Scenario into Turning Counts.
• Added additional options when comparing Turning Counts with Modelled Flows.
• Corrected a problem that could prevent some LinSig v2 files from being opened.
• Corrected a bug that could result in Lane Quick Notes being cleared.
• Corrected a crash that could occur when editing Stage Blocks on the Network Layout View.
• Corrected a crash that could when making a Route non-permitted.
• Reduced memory usage for large files.
• Limited size of crash report files.
• Improved stability of activation system.

3.2.02.00

This update is non-essential.

The update:

• Corrected a crash that could occur when changing a Timing Dial's controller
• Improved stability when internally processing the Undo History.

3.2.01.00

This update is recommended for all users.

The update:

• Specification of controller information in a form consistent with SCATS™ controllers.
• Import of traffic flows from detector data output by the SCATS™ Traffic Reporter program.
• A Level of Service indicator based on the delay within a network.
• Output of SCATS™ ‘Daisy Chain’ relative controller offset information.
• Ability to model two-lane flared right-turns.
• Ability to model storage in front of the stopline even if there is an adjacent short lane present.
• Option to enter lane-based turning flows as percentages instead of absolute PCU values.
• Option to add a Minimum Flow value for traffic leaving give-way lanes.
• Extended the existing VISSIM interface for compatibility with VISSIM 5.30 (UK controllers only).
• Filter routes by lane connector.
• Display GEH values on Turning Counts View.
• Ability to lock flow on multiple routes at once.
• Ability to include LinSig version number in a report.
• Highlighting of movement in Network Layout when selected in Edit Lane dialog.
• In Flow Groups View list, show formulae and also indicate if unused in any scenario.
• Ability to delete all unused Flow Groups.
• Added a lane-based Layer filter on the Network Layout View in Lane-based Flow mode.
• Ability to clear lane-based flows for a Layer, Junction and/or Flow Group.
• Copy Scenario into Turning Counts now takes into account Lane-based flows.
• Added Advanced Lane Parameters to Model Audit View for de-sliver and random delay.
• More flexible Route/FlowLayer/FlowGroup specific lane connector parameters.
• New Min Flow when Giving Way parameter for Give Ways.
• Ability to advance to next difference in Model Audit View.
• Auto connection of Zones and capacity assessors.
• Display of Diff and GEH on Turning Counts view.
• Visual indication if a lane has a bus stop on lane.
• Ability to manually specify lane connectors when doing Zone Merge.

3.1.20.00

This update is non-essential.

The update:

• Added an optional setting to increase the amount of modelled time used to determine the typical cycle.

3.1.19.00

This update is recommended for all users.

The update:

• Some stability improvements to help prevent intermittent crashes when editing lanes.
• Fixed a crash that could occur after importing a LinSig file into the current model.

3.1.18.00

This update is recommended for all users.

The update:

• Some stability improvements to help prevent intermittent crashes in the Network Layout View.

3.1.17.00

This update is recommended for all users.

The update:

• Corrected a bug in Entry-Lane Balancing that could result in LinSig crashing.

3.1.16.00

This update is recommended for all users.

The update:

• Improved Entry-Lane Balancing for cases where some route flows are locked.
• Improved modelling of give-ways when using Lane-Based flows.
• Corrected some compatibility issues when loading LinSig v2 models into LinSig v3.
• Various stability improvements.

3.1.15.00

This update is recommended for all users.

The update:

• Corrected a rare issue with bonus greens.
• In Traned File Import, added the ability to set exit bottlenecks with infinite saturation flow.
• Corrected a problem when switching intergreen sets that could cause the cycle time to be changed.
• When importing a network, ensure any newly created flow groups have the correct start and end time.
• Corrected an issue whereby some LinSig v1 and v2 files could not be opened in LinSig v3.
• Added some improvements to the stability of the signals optimiser.
• Fixed a refresh issue in the Lane Edit dialog.

3.1.14.00

This update is recommended for all users.

The update:

• Corrected a problem where some Flow Group data could be discarded during Import of another LinSig model if complex Formula Flow Groups structures are present.
• Corrected a problem where matrix data is discarded when converting a Formula Flow Group to a Standard Flow Group.

3.1.13.00

This update is recommended for all users.

The update:

• In Formula Flow Groups, also apply the formula to the Pedestrian flow matrix.

3.1.12.00

This update is recommended for all users.

The update:

• Corrected an error that could occur when using formula Flow Groups along with Lane-based flows and certain network structures.
• Corrected an error that could occur when incorrectly using the "Inherit cyclic flow profile" option in the advanced lane settings.
• Fixed an undesirable flicker that could occur when scrolling through list-based views.

3.1.11.00

This update is recommended for all users.

The update:

• A new "Stage Lower Limit" facility has been added , accesible by right clicking on a stage in the Stage Sequence View.
• A new option under "File -> Program Settings" allows you to choose to import TranEd link mininums as either Controller Minimums or Street Minimums.
• A new user-specifiable threshold has been added to the Flow Consistency Mode so inconsistencies below the specified threshold will not be displayed.
• A new menu option has been added to the Traffic Flows Menu to access the Flow Consistency checking mode.
• A warning message is displayed if the DoS on a lane exceeds the specified limit could not be satisfied.
• In TranEd import the default cruise times/speed values are now correctly set.
• The hover popup on the Signal Timings view has been corrected to show the correct data.
• The Vissim Interface View now ensures that only VISSIM FT controllers can be used.
• In TfL Database Export, the Average Excess Queue now reports the excess over the lane length.
• TranEd import now correctly imports the timings for double-cycled nodes.
• TranEd import now correctly imports uniform flow and flow multipliers
• Corrected a bug in the Model Audit View that required the model to be saved before doing a comparison.
• In Model Audit View, don't display bus connector data for non-bus layers/routes.
• In Model Audit View, don't display non-bus connector data for bus layers/routes.
• Corrected an issue which caused some user-hidden warnings to become unhidden.
• When moving stage streams between controllers, retain the stage sequence for simple cases.

3.1.10.00

This update is recommended for all users.

The update:

• Corrects some errors that could occur when using Formula Flow Groups with lane-based flows.
• Corrected the standard report templates to show the correct text format on the Network Layout Diagram.

3.1.09.00

This update is recommended for all users.

The update:

• Prevents some unnecessary error messages that could sometimes appear when importing a TranEd model.
• Some internal changes to the activation code system.

3.1.08.00

This update is recommended for all users.

The update:

• Fixes an error that could occur under certain circumstances and in particular when using Lane-Based flows in conjunction with non-blocking storage in front of the stopline.

3.1.07.00

This update is recommended for all users but is not essential unless problems are being encountered.

The update:

• Fixes a rare crash that could sometimes occur after deleting a Controller.
• Fixes incorrect colouring during Animation mode when running multiple Controllers with different cycle times.
• Fixes possible incorrect display of controllers names in Junction boxes.

3.1.06.00

This update is recommended for all users but is not essential unless problems are being encountered.

The update:

• Fixes slow responsiveness that can occur if a model has several interdependent formula Flow Groups.

3.1.05.00

This update is recommended for all users but is not essential unless problems are being encountered.

The update:

• Fixes an infrequent crash that could occur when editing a lane.
• Fixes an infrequent crash that could occur when constructing a report.
• Improved the speed of the model when using zero-flow Routes for reporting on a Lane-Based Flow network.

3.1.04.00

This update is recommended for all users but is not essential unless problems are being encountered.

The update:

• Fixes an error when using larger bonus greens.

3.1.03.02

This update is recommended for all users but is not essential unless problems are being encountered.

The update:

• Fixes an error which could lead to a blank grey Network Layout View after importing a Network. This error only occurred on a small number of computers - often but not exclusively laptops.
• Fixes a number of minor stability issues which have been identified since the release of LinSig 3.1.

3.1.03.00

This update addresses some minor stability issues on a small number of computers and is only required if problems are encountered.

3.1.02.01

This is a major update and is recommended for all users.

NOTE: This version of LinSig will require re-activation before it can be used.

New Features include:

• New traffic flow definition methods including Lane Based Flows, Layered Flows and the ability to mix different flow definition methods in different regions of a modelled Network.
• Improved modelling of bus traffic including Bus Zones and Bus Routes.
• New ways of checking input flow and count data using the new Flow Consistency Mode in the Network Layout View and a new graphical Traffic Turning Counts View.
• Modelling of different cycle times within the same Network model.
• Improved checking and auditing tools such as the new Model Audit View.
• Improved facilities for fine tuning network calibration such as the ability to define Bonus Green times for Lanes.

3.0.16.12

This update is recommended for all users.

Fixes

• Corrected a minor issue when modelling short lanes with zero demand flow.
• Fixed a display update issue when working with large numbers of scenarios.

3.0.16.11

This update is recommended for all users.

Fixes

• Ensure Pedestrian Link capacities and flows are displayed as 'per cycle' when required.
• Corrected bug whereby Network Diagram could sometimes not be displayed in reports.
• Corrected potential crash that could occur after merging two zones.
• Corrected bug in Network Control Plans view that sometimes resulted in two plans with the same number.
• Corrected bug that prevented platoon dispersion from being changed on multiple lane connectors at a time.
• Enforced non-signalled long lanes with adjacent short lanes to have a specified saturation flow.
• Corrected a bug where Network Diagram text formats were not always loaded correctly from a report template.
• Corrected a bug where the Stage Stream filter on the Intergreen View sometimes became disabled.
• Various minor user interface corrections.

3.0.16.10

This update is recommended for all users.

Fixes

• General stability improvements.
• Allow modification of the default Pedestrian Crossing saturation flow.

3.0.16.09

This update is recommended for all users.

Fixes

• Fixed a crash that could occur in reporting if a Scenario has no Flow Group specified.
• Corrected a bug that under some circumstances prevented Pedestrian Link crossing times from being altered.
• Corrected a bug when attaching Pedestrian Links to Pedestrian Zones that meant some Pedestrian route flows would need re-assigning.
• Corrected a problem when balancing Pedestrian route flows that resulted in poor balancing if the pedestrians have a choice of routes.

3.0.16.08

This update is recommended for all users.

Fixes

• Some minor corrections when importing a LinSig file into an existing model and merging Zones.
• A minor correction to the optimiser.
• Fixed a crash that could occur when adding a new Arm.
• Fixed a crash that could occur when deleting a Pedestrian Phase.
• Fixed a crash that could occur when adding a new Scenario.
• Fixed a delay in updating the controller model when editing a Phase Street Minimum.

3.0.16.07

This update is recommended for all users.

Fixes

• Corrected a bug which under some circumstances prevented zone total values being entered.
• Corrected a problem when selecting a controller in the Lane Grid Data View.
• Corrected the default value for the Max Flow when Giving Way to be 1439 pcu/Hr instead of 1440 pcu/Hr.

3.0.16.06

This update is recommended for all users.

Fixes

• If a stage stream is moved to a different controller and then phases are deleted from that stage stream, LinSig could susbequently crash.  This has now been corrected.
• Fixed a rare issue whereby under unusual lane arrangments, LinSig could model a small inaccuracy in the value for the lane saturation flow.
• Corrected a reporting problem whereby a diagram could appear stretched if a specific Print Zone is selected for the report.

3.0.16.05

This update is recommended for all users.

Main Features

• Major improvements to overall model calculation speed for large networks.
• Major improvements to optimiser speed, particularly for large networks.
• Added the ability to optimise signal timings on a per-Junction basis.
• Major improvements to speed of traffic flow assignment for large networks.
• Improved traffic flow assignment algorithm produces better results.
• Improved user interface for Matrix Estimation and improved convergence.
• Optional valuation of Stops included in optimiser.
• Use of SCATS™-based terminology.

Other Features

• A new function allows you to select a lane in the Network Results View and locate it in the Network Layout View.
• Add additional report fragments for Route Journey Times and Travel Time Matrices.
• Include the Scenario Name in the Results Block on the Network Layout View
• In the Network Results View, always display the saturation flows for both the long and short lanes even if they're the same.
• On Network Layout View show a blue area at the front of a lane to indicate if a queue de-sliver value is in use.
• The display of lane green times both on the screen and in reports now includes the display of multiple green periods.
• Added an experimental option to weight the delay-based assignment for weaving routes.
• By default, disable the entry of unnecessary inter-junction Arm Turning Counts.
• Multiple Routes can be made Permitted or non-Permitted at once.
• The Status bar now displays orange if the only errors present are Report structure errors.
• The default sort order of the Route List is now by zones.  A button has been added to quickly restore to this default sort order if changed.
• The list of routes in the Edit Lane Connector dialog now includes start and end zones and can be sorted.
• When moving a Junction, any notes containing lane data for that Junction (e.g. Quick Notes) are moved with it.
• A new Network Metrics dialog provides basic metric data for the LinSig model.
• Ability to display the Entered Cruise Time on Lane Connectors (this doesn't display the default value for connectors to exits).
• Ability to specify defaults for geometric saturation flow parameters.
• Display a warning if a signalled lane has not been given any green time.
• Display a warning if there phases are running but the intergreen table is empty.
• Display a warning if the controller specified in the Edit Junction dialog don't match the signalled lanes.
• Display a warning if a lane has an unusually low saturation flow.
• Display a warning if an entry or exit arm is not attached to a Zone.
• Various stability improvements and corrections to other minor user interface issues.

3.0.14.00

This update is recommended for all users.

• Fixed an intermittent problem where LinSig might crash unexpectedly.
• Fixed a problem where the results in the Network Results report fragment sometimes did not sort correctly.
• Improved the integration with Google Maps.
• Added the ability to Copy the Travel Time / Delay matrices and paste into a spreadsheet.
• Implemented a better estimation of the Random and Oversaturated Queue value when using non-standard Time Periods and highly oversaturated lanes.
• Fixed a problem where the totals in the Junction Turnning Count matrix can sometimes be displayed incorrectly.
• Ensured the list of Arms when adding Note fields is ordered correctly.
• Fixed a problem where renumbering Lanes might cause Note Fields to refer to a different lane than might be expected.

3.0.13.00

This update is recommended for all users.

Fixes

• Corrected an issue that could cause the Phase Based Design View to fail.
• Corrected missing Zone markers on the Network Layout Diagram report fragment.

3.0.12.00

This update is recommended for all users.

New Features

• Ability to store the latitude and longitude of the network and view the network in your web browser using Google Maps.
• Ability to add a "Quick Note" onto the Network Layout diagram that shows the Start and End green times of a Lane.
• When clicking on Routes in the Lane Connector Edit dialog, LinSig will highlight the Route on the Network Layout diagram.
• Highlighting of Phases and Intergreens on the Signal Timings diagram.
• The cycle time is now displayed in the centre of each Timing Dial.
• Added ability to change the default green colour of intergreens on the Signal Timings View for better visibility.

Fixes

• Various user interface bug fixes.

3.0.11.00

This update is recommended for all users.

This update includes speed improvements for large models with large numbers of Routes.

3.0.10.00

This update is recommended for all users.

This corrects a bug introduced in version 3.0.9.0 which could cause LinSig to crash when changing the modelled cycle time.

3.0.09.00

This update is recommended for all users.

New Features

• Improved computation of traffic model, resulting in significant speed improvements for larger models.
• More efficient use of system memory.  This can improve speed for larger models.
• More accurate implementation of the Turners in Intergreen value, for cases when there are mixed aheads and turners in front of the stopline.
• Network Results View can now be displayed in a Flat View as well as the existing Tree View.
• Times on the Timing Dials can now be rotated incrementally using the arrow keys.
• The Rotate/Scale feature on the Network Layout View can be optionally linked to Phases in the selected Junctions.
• Automatic recalculation of scenarios can be temporarily disabled to improve response when repeatedly entering input data for a large model.
• An optional crash reporting facility to assist in the event of LinSig crashing unexpectedly.

Fixes

• Correction to ensure Flow Group dependent directly entered Sat Flow values are displayed correctly.
• Correction to Phase Edit dialog when there are more than 26 phases.
• Neater display of double-lettered phases in the Phase View.
• Prevent intermittent crash when double-clicking near a Lane Connector or Pedestrian Link Connector
• Corrected the sorting on the Matrix Estimation View.
• Corrected some note text so that it respects the Display Per Cycle option.
• Defaults for new files|Default user name is now saved correctly.
• Prevented intermittent crashes if you do perform an undo quicky after editing signal timings.
• Corrected Lane Connector text to show blank cruise time if no cruise time has been entered.
• Fixed the Lane Connector tool tip so that it now displays.

3.0.08.00

This update rectifies the majority of early uptake bugs and issues that have emerged following widescale uptake and use of this new version of LinSig; this update is recommended for all users.

3.0.02.00

Early Purchase Public Release

This update is recommended for all users.

Fixes

• Fixed a crash that could occur in reporting if a Scenario has no Flow Group specified.
• Corrected a bug that under some circumstances prevented Pedestrian Link crossing times from being altered.
• Corrected a bug when attaching Pedestrian Links to Pedestrian Zones that meant some Pedestrian route flows would need re-assigning.
• Corrected a problem when balancing Pedestrian route flows that resulted in poor balancing if the pedestrians have a choice of routes.