Junctions Version History

Modelling and analysis of roundabouts, priority junction and signalised junctions

Junctions 9 is the latest version of TRL’s industry-standard package for modelling roundabouts, priority junctions and simple signalised junctions.

Area Enhancement
FEATURE
Addition of OSCADY module for signalised junctions.  More details
MODEL Lane simulation: circulating lanes at roundabouts can now be modelled (including signalised cases, if OSCADY module is registered)
MODEL Lane simulation: most files should run slightly faster
MODEL Lane simulation: fixed bug where model would crash if lanes have non-integer storage
UI New File>Export>Save without results option allows file to be saved with time segment results etc stripped out, allowing for a smaller file size.  (Results must be re-generated when file is subsequently loaded.)
UI Fixed bug where user guide PDF would sometimes not open (was dependent on PDF reader)
UI Fixed bug where lane simulation movements grid not usable at 125% DPI
UI Data Editor and Data Grids now use a non-bold font. Previous appearance can be restored by changing File>Preferences>Appearance>Windows Font Bold
UI New “Sync” button on main toolbar will set the Data Outline position to the item containing the last clicked-on data field
UI x-y graphs: if the graph is stopped, the last point is discarded rather than being given a value of zero.
ALL Various bug fixes and minor enhancements.
Area Enhancement
MODEL Lane Simulation: capacity restrictions can now be applied to both entry and exit lanes. A “bottleneck” type of pedestrian crossing with a fixed capacity can be used to do this. In this way it is possible to model cases such as a two-lane roundabout exit that narrows to one lane a short distance from the roundabout. For more details please see Section 14.8 of the Junctions 9 User Guide.
MODEL Lane Simulation: results are now available for each movement within each lane. Access these via the ‘Movement Results’ option in the Options tab of the Lane Simulation screen. For more details please see Section 14.4.2 of the Junctions 9 User Guide.
MODEL Lane Simulation: fixed bug where model would crash if no movements are possible
MODEL Lane Simulation: changed the way turning proportions and HV proportions are handled at linked junctions. (Previously certain files would sometimes fail to run.) This change is mostly transparent to users but may produce slightly different results.
MODEL PICADY results now show total demand and queueing delay etc in the ‘Total’ row of data grids in the UI.
MODEL Queue percentile results would sometimes show zero at high flows; they now show the existing upper-bound of 200 instead.
MODEL Lane Simulation: the user is now prevented from changing Analysis/Demand Set or adding/deleting items during a simulation run.
MODEL Fixed problem with Veh/PCU conversion with HCM TWSC/AWSC junctions
MODEL Major road width for PICADY junctions previously had a minimum of 6m. Widths down to 4m can now be entered, although a warning will be shown to emphasise that these are outside the range of the original research. (For one-way junctions, the minimum width is 3m.)
MODEL Demand Set Relationships: if using ‘advanced’ relationships, the resultant values now take into account any flow scaling factors on the constituent demand Sets.
MODEL HCM Roundabouts now use calibration factors from HCM 2016 (6th edition) by default. Calibration screen now allows defaults to be restored from HCM 2010 and HCM 2016.
DIAGRAM Fixed bug that made the selection and moving of items (particularly lanes in Lane Simulation mode) unreliable
DIAGRAM HV% now shown alongside the OD demand (green arrows) next to each arm. In Edit Demand mode, the HV% can be edited directly on the diagram by double clicking. HV% display can be turned off in the Diagram Options>Text Overlays screen.
DIAGRAM Clearer distinction between priority and non-priority streams for PICADY junctions
DIAGRAM In Lane Simulation mode, a new option (Diagram Options>Other>Show lane interiors) controls whether solid white interiors should be shown for lanes. With this turned off, some of the visualisation overlays are easier to see against a background image.
DIAGRAM Easier to move arms at one-way junctions
DIAGRAM Top and bottom toolbars can be hidden using the View menu
DIAGRAM The ‘whole period results’ overlay introduced in Junctions 9.0.1 is now turned OFF by default.
TEMPRO TEMPRO link updated and tested for TEMPRO 7, 7.1 and 7.2.
UI Right-clicking the Data Outline or Data Editor buttons on the main toolbar will toggle the active screen (if any) from one type to the other. E.g. if you press the Geometry button on the vertical toolbar to show geometry for Arm 1 in an Data Editor, then right-clicking the Data Grid button will switch to show geometries for all arms in a Data Grid, without creating any additional windows.
UI Run menu and auto-run option removed, to simplify UI.
UI Selections within data grids and matrices can now be copied and pasted. (Previously it was only possible to copy/paste the entire grid/matrix.) To do this, make a selection and then use the right-click menu.
UI Any window can now be taken outside the main application window by double-clicking the window’s title bar. It can then be freely positioned on a second monitor, for example. To restore the window back inside the main program window, double click its title bar again.
UI The ‘edit all’ function in data grids and data matrices (available on the right-click menu after selecting some cells) now works with checkbox and dropdown data types.
UI New File screen now allows staggered junctions to be selected.
ALL Various minor bug fixes and enhancements
Area Enhancement
REPORTS Export to Word
has been improved
REPORTS Most reports are
quicker to generate
REPORTS A smaller font is
used by default.  This leads to more
compact but still readable reports.  If
you prefer the original font size, you can restore it by changing File>Preferences>Reports>Font
Size for Reports.
REPORTS ‘Turning
Proportions’ and ‘Average PCU per Veh’ tables are now only printed if the
‘Detailed Demand Data’ option is ticked.
(File must also be in Advanced Mode.)
REPORTS If the Input section is ticked, then the Traffic Demand section is
automatically ticked and cannot be turned off.   This is to prevent cases that have been
described to us where reports have been submitted which include all inputs
and results other than turning proportion grids.  Such incomplete reports can potentially
conceal discrepancies between the entered turning proportions and the results
shown in reports.
REPORTS Various minor changes to appearance,
column widths, justification etc
.   Reports
will tend to be neater than in previous versions when using the ‘Show arm and
junction names’ display option.
REPORTS If using a single
Analysis Set and multiple Demand Sets, the second Demand Set onwards now
omits the superfluous headings for Geometries etc.  With large files this leads to shorter
reports.
DIAGRAM For roundabouts, a new data overlay shows whole period
results
(as shown in the Summary Results screen) next to each arm.   This is turned on by default but can be
switched off by clicking Overlays>Whole
Period Results.  Adjust the
size/position via Options>Text
overlays>Whole period results.
The overlay uses the same colour coding (both background and
foreground) as the corresponding Summary Result screen items.
DIAGRAM If working with
multiple junctions, the junction ID size can now be altered independently (Options>Other>Junction ID Size)
DIAGRAM When exporting as
a bitmap (right-click and use the Export menu), it is now possible to enter a
desired resolution.  This can be used
to generate large high quality bitmaps.
DIAGRAM Geometry
measurement tool:  for some
measurements you can now right-click on a control point to add more control
points, giving finer control over the
curvature of the construction lines.
UI Summary Results
screen:  a new item in the Show menu provides a shortcut to the Sorting and Display section of the
Data Outline where various options can be set.
UI Summary Results
screen: priority PICADY streams (A-C etc) are no longer shown here.
UI A Task List
warning is now shown if the HV% is zero for all movements.
UI Header cells in
data matrices (OD screen, Veh Mix screen etc) now allow long arm/junction
names to word-wrap.  The Widths slider
in each screen can still be used to control the column widths.
UI O-D matrices can now contain negative
values
.  This is ignored if running the traffic
model but can be used to construct matrices for use with Demand Set
relationships where negative growth is involved.
UI Each Analysis/Demand Set can now
optionally be associated with a Colour property
.
Edit the colour by clicking or double-clicking on the colour when
showing the Analysis/Demand Set properties in the Data Editor or a Data
Grid.  Colours are shown in the Data
Outline and the main program dropdowns and can be used to visually
distinguish between groups of sets.
This system can be turned off via Data
Outline>Options>Sorting and Display>Colour Analysis/Demand Sets;
this option has a corresponding file preference to set its value for new
files.
UI All demand, flow and capacity inputs and
outputs are now rounded to whole numbers
if the current traffic units areper hour.   This leads to cleaner data grids and
reports.  If working in per minute or per time segment, decimals are shown.   Decimals are alsoshown if a number
between 0 and 1 is entered in the O-D screen, e.g. when entering linked junction
turning proportions.    This behaviour
can be overridden by changing File>Preferences>Appearance>Round
flows to whole numbers.
UI If viewing PICADY
stream results in a Data Grid, it is now possible to use the Filter menu to
show only those streams associated with the current arm
UI The padlock on
the O-D screen, Vehicle mix screen and Demand screen now has a third state
that freezes the entire contents of the screen in a read-only state.
This can be used to view demand data for several Demand Sets at the
same time
.  (Show the O-D screen
for the first Demand Set, use the padlock to freeze the screen, then show a
second O-D screen and activate the second Demand Set, and so on.)  Clicking the padlock again will un-freeze
the screen.
UI The choice of traffic units for new files
can now be set
via File>Preferences>General>Default
Traffic Units / Default Traffic Units Period.
You can thus configure all new files to start off with units of
e.g. PCU/hr or Veh/min according to your preference.    Once a new file has been created you can
change the units as usual via the Data>Units
screen.
UI Analysis/Demand
Set dropdowns are wider , to accommodate long names
UI Read data from
Excel: a new option ‘Show details for
all Demand Sets’ will launch a Data Grid showing the Excel options for
all Demand Sets.  This is useful for
quickly reviewing or editing the options across multiple Demand Sets.
UI TEMPRO
Calculator:  Some authorities contain
two zones with the same name.  The
calculation for such zones was correct but if subsequently editing the TEMPRO
properties, the selection would revert to the first of the two zones.  This has been fixed by appending the zone
ID to the zone name.  If editing an
existing file with TEMPRO properties you may need to re-set the zone.
MODEL Lane
Simulation:  it is now possible to
enter a Minimum/Maximum Capacity for PICADY lanes.  This can be used as a way of calibrating or
adjusting the capacity of lanes.
Please note that this should be used with caution; please contact TRL
for advice if necessary.
USER GUIDE Clarification has
been added to the User Guide to confirm that queues in ARCADY/PICADY are the
total on the arm regardless of lane distribution (UNLESS in lane simulation mode),
that they include slowly moving vehicles and that they represent expected values.
ALL Various minor
enhancements and speed-ups

Please see the main Junctions 9 page for details about the new features in Junctions 9.

Area Change
UI Various fixes to make the importing of Junctions 9 files more reliable.   Please note that there is a difference in the way that Junctions 8 and Junctions 9 handle Analysis and Demand Set IDs.   Junctions 9 allows the IDs to be set by the user to any value, whereas Junctions 8 sets them automatically according to an internal numbering system.  If you import a Junctions 9 file where Analysis/Demand Sets have been deleted/renumbered/re-ordered, the remaining sets may appear in a different order in Junctions 8.  Any references to IDs such as Demand Set Relationships will be blanked during the import and will need to be re-entered manually in Junctions 8.  Please contact TRL for further advice if necessary.
Area Change
UI Files saved from Junctions 9 (.j9 files) can be imported via the File>Import menu or by dragging the file into Junctions 8.  The import will ignore any data or features of the file that cannot be used in Junctions 8.  Complex files, or those that make heavy use of Junctions 9 features may fail to import; in such cases please contact TRL for advice.
UI Fixed some problems where certain data fields were incorrectly invisible or disabled
UI If the Report Viewer or Junction Diagram are taken outside the main application window (this is the default for the Report Viewer) they now remain on top of the main window at all times.  Added a Print menu to the Report Viewer (also available by right-clicking the report).
UI Fixed bug with PICADY 5 export (CT29)
UI The lower limit for the major carriageway width for PICADY junctions is now 3m.  Widths in the range 3-6m are intended for use at one-way junctions; for two-way junctions a width of 6m or greater should be entered.
MODEL Fix to the way certain PICADY stream delays are reported when pedestrian crossings are present.
Area Change
PRODUCT Inclusion of ARCADY Lite as a new product within Junctions 8.   ARCADY Lite is a simplified version of ARCADY, primarily aimed at American users.  It offers the ARCADY and HCM 2010 roundabout models, in a streamlined UI, with built-in window layouts that show all basic data on screen at the same time. It also has various other enhancements such as the ability to set alternative intercept corrections without needing to use the full Analysis Sets system. ARCADY Lite can be activated by purchasing an ARCADY Lite licence and registering this instead of the full ARCADY module.   If the full ARCADY module is registered, then ARCADY Lite can optionally be used on a per-file basis.

 

The other changes listed below apply to all version of Junctions 8.

UI Window Layouts now store the contents, orientation and column widths of Data Grids, as well as their positions.  This makes it much easier to set up custom views of data and screens for subsequent use at any time.
UI Window Layouts can now be imported and exported, so that they can easily be exchanged with colleagues
UI New user preference to use abbreviated terms throughout UI – e.g. “E” instead of “Entry Width”, “Res Cap” instead of “Residual Capacity”, etc.   In this mode many screens and data grids occupy less space on the screen, making more compact layouts possible.
UI Data Grids in rotated mode (fields as columns) allow widths of all columns to be adjusted evenly, using a width slider at the top of the window
UI Data Grids in rotated mode (fields as columns) now allow adding/deleting items by right-clicking column headers
UI Data Grids in rotated mode (fields as columns) now highlight active item, and can make an item active by left-clicking column header
UI New user preference to control whether new Data Grids should be shown in rotated mode
UI New user preference to control whether the Summary Results screen is automatically shown after running the traffic model.    Window layouts that already contain results data grids can hence be prevented from launching additional results screens.
UI New user preference to control whether new files should use UK or US units
UI New optional ‘quick set-up’ screen can be used to set basic options for new files
UI Various minor bug fixes / enhancements
MODEL Fixed bug where PICADY stream intercept adjustments would be applied even when inactive
MODEL Fixed bug where LEVELS profile would fail if peak occurs before end of first time segment
MODEL Queue variations (Q95) are now available with PHF profile
MODEL Fixed bug where Summary Results would show blank results if using multiple analysis sets containing different PICADY geometries leading to different PICADY stream definitions.
MODEL Various minor fixes
Area Change
GUI The link between ARCADY and AutoTrack has been superseded by a link between ARCADY and Autodesk® Vehicle Tracking. This follows the acquisition of Savoy Computing by Autodesk®. The actual operation of the link is unchanged. The requirement to register a licence for the link has been removed. Existing users of ARCADY-AutoTrack Link are still supported
GUI Entry Lane Simulation: if a time segment is selected via the main dropdown, the simulation visualisation time now jumps to the END of the time segment (previously jumped to the start). E.g. if the 08:15-08:30 time segment is selected, the visualisation will show info for 08:30:00, since all other results for a time segment refer to the values at the end of the time segment.
GUI Entry Lane Simulation: the lane configuration screens now respond to Copy and Paste.
GUI Clicking through cells in the Turning Counts screen now highlights the movement in the Junction Diagram
REPORTS Fixed bug where reports showing all analysis/demand sets could differ from reports showing individual sets
GUI Fixed problem with ‘Hide priority streams’ option with LR staggers.
GUI Various minor fixes
MODEL Various minor fixes
Area Change
INSTALLATION Network administrators can now automatically set up each Junctions client installation to start in Network Licence mode.  For details, please see the SECURITY REGISTRATION document included with the product.
GUI Various improvements re UAC and signing on Windows 7/8
GUI Demand set relationships are now easier to use:  turning counts and vehicle mix for the resultant demand set are now calculated automatically.   This means that it is now straightforward to set up demand set relationships with common scenarios such as ONE HOUR profile types.  (Previously it was necessary to manually enter the turning counts for the resultant set, which in many cases negated the convenience of using demand set relationships.)
GUI Demand set relationships can now be used with linked roundabouts
GUI Max number of analysis/demand sets increased from 20 to 30
GUI Time Segment Results>Advanced is now hidden from the user (contained various internal flags which are not needed by the user)
GUI Entry Lane Analysis screen is now resizable, making it easier to work with grids of lane movements.
GUI ARCADY-AUTOTRACK LINK:  no longer shows the ‘Calculating…’ dialogue during each AutoTrack-commenced run.   This makes it more convenient to leave ARCADY minimised while connected.
GUI If running on Windows 8, the default Reader app will be used to launch PDFs if necessary.  However, we strongly advise installing a separate desktop PDF reader, which Junctions will use in preference.
MODEL Fixes to capacity calculations of pedestrian crossings at T-junctions
MODEL Change to capacity calculation of one-way PICADY roads.   (Advice for manual treatment of one-way roads has also changed; please see Knowledge Base.)
MODEL Entry Lane Analysis now makes better use of multi-core processors which means that the UI is more responsive during simulation runs.  (Actual time taken to run simulation is mostly unaffected.)
MODEL PICADY results now behave more consistently when very low flows are reduced to zero
MODEL PICADY results now include a warning about traffic blocking back into the junction (this is present in PICADY 5 but was missed out of the PICADY 8 implementation)
REPORTS Reports now correctly show the name and path of the file being run.   (This was not being written in some cases).  Reports are now correctly saved in the appropriate destination folder as set in user preferences.
REPORTS Fixes to labelling of sections
REPORTS When using the Convert>Save as PDF option, the generated PDF report now has improved pagination so that content is less likely to break across pages.
DIAGRAM Junction diagram:  some lines and other elements in 8.0.1 were very thin/faint and difficult to see; this has been corrected.
DIAGRAM When in Entry Lane Analysis or HCM modes it is now possible to right-click on the entry side of an arm (pale blue line inside one of the lanes) to access the arm properties and the Add new Section option.   This makes it possible for lanes to bend or curve as required.  This is described in section 14.4.3 of the User Guide but previously did not work correctly.
ALL Various other minor bug fixes and enhancements.
Area Change
Product Product name changed from “ARCADY 8” to “Junctions 8”. 
Component “Roundabout Module” renamed as “ARCADY 8 (Roundabout Module)”
Component “Priority Intersection Module” renamed as “PICADY 8 (Priority Intersection Module)”
MODEL Fixed various bugs that caused some files to run slowly
MODEL Linked roundabout model results are now similar to ARCADY 7 results (generally only noticeable with very high flows)
GUI A progress bar is now shown during model runs, allow runs to be cancelled if necessary
GUI Fixed problem with report generator when using long pathnames
GUI Reports now show ‘ARCADY’ and/or ‘PICADY’ in the banner, depending on the junction types in the file
GUI Fixed problem where junction diagram was missing from PDF reports
GUI/MODEL ‘Roundabout Capacity Model’ and ‘Road Surface’ fields are now only shown when the file contains junctions of a relevant type
GUI/MODEL Various other minor bug fixes and enhancements

Please see the main ARCADY page for details about the new features in ARCADY 8.

Area Change
GUI Fixed bug that caused report to show same data for multiple demand sets
GUI Linked roundabout data now included in reports
GUI Various minor bug fixes
MODEL Various minor bug fixes
Area Change
GUI Inclusion of ARCADY-AUTOTRACK LINK.
GUI Various minor bug fixes
MODEL Various minor bug fixes

Click here for full release notes

Area Change
GUI General operation of GUI significantly improved
GUI Size of data files reduced by up to 90%.
GUI Additional tools to aid setting up of linked roundabouts
GUI Better display of warnings/errors when running multiple analysis/demand sets
GUI Improvements to Data Grids, Summary Results screen, Analyser screen
GUI Results button on main vertical toolbar now has a drop-down menu allowing quick access to results for either time segments or for the whole period.
GUI Now possible to import/export user preferences
Diagram Various improvements, including button to toggle background on/off and printing of backgrounds.
MODEL New options available when modelling linked roundabouts.  In essence these allow the user to distinguish between closely and widely spaced roundabouts.
MODEL Certain combinations of options banned
MODEL Bug fixes to pedestrian crossing models
MODEL Analysis Sets can now reference more than one Demand Sets.

ARCADY 7.0.0 was a major release that included a redesigned GUI and many changes to both the GUI and the model.  For full details, please see the ARCADY 7 overview.

Click here for full release notes 

Area Change
Installer Faster and should prevent problems sometimes encountered when modifying related installations
MODEL The effect of Darkness on Standard roundabouts now correctly affects only the intercept and not the slope. This means that the capacity of roundabouts under conditions of darkness may be slightly different in ARCADY 6.2 AG compared to previous versions. Results should now match ARCADY 7.
MODEL Corrections to detailed mini-roundabout accident calculations. This affects single vehicle on entry, entering-circulating other crossing and entering-circulating merging accident results. Results should now match ARCADY 7.
MODEL Various minor bug fixes
GUI Heavy vehicle proportions printed correctly by report generator.
GUI Various minor bug fixes
Area Change
Installer Copy-protection system changed
GUI Change to help system format
GUI US Level of Service outputs added
GUI Various minor bug fixes and enhancements
MODEL Various minor bug fixes

Current Version: 9.5.0Version History

System Requirements:

Windows 7 or above

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Junctions 9 ARCADY / Roundabout Module 1 PC
£1,693Add to cart
Junctions 9 PICADY / Priority Intersection Module 1 PC
£1,693Add to cart
Junctions 9 OSCADY / Signalised Intersection Module 1 PC
£1,693Add to cart
Junctions 9 Student Version (ARC+PIC+OSC)
£100Add to cart

The cost excludes VAT

Training Course Schedule

ARCADY PICADY Course Day 1
6th February 2019 at Crowthorne
£390Full
ARCADY PICADY Course Day 2
7th February 2019 at Crowthorne
£390Full
TRANSYT 15 Foundation Course (2 Day)
13th - 14th March 2019 at Crowthorne
£595Add to cart
ARCADY PICADY Course Day 1
22nd May 2019 at Crowthorne
£390Add to cart
ARCADY PICADY Course Day 2
23rd May 2019 at Crowthorne
£390Add to cart

The cost is per delegate and excludes VAT

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