Signal Design for Network and Junctions
TRANSYT is a macroscopic software package for designing, evaluating and modelling everything from single isolated road junctions to large mixed signal-controlled and priority control traffic networks.
TRANSYT Version History
| Area | Change |
| MODEL | New: Ability to apply effective green time adjustments to individual traffic streams and links so that, for example, you can account for the under-utilisation of green time |
| MODEL | New: Option to preserve the cycle time when stages are skipped |
| MODEL | New: Option to redistribute relinquished green time (associated with skipped stages) to other stages |
| PORTAL | Enhancement: Local administrators can now delete users via the TRL Software Portal |
| UI | Fix: Simulation’s Signal Log is enhanced to show timings across all traffic streams when effective greens are shown, allowing local adjustments to green times to be seen |
| UI | Fix: Double-cycling of a controller stream is now correctly banned when in Adaptive control mode |
| UI | Fix: Diagram: Signals > “Show on links/streams” now applies only to signalised items |
| UI | Fix: Allow intermittent occurrence of a stage is now correctly banned when in Adaptive control mode |
| UI | Fix: Traffic Stream screen’s give-way conflict data now correctly displays conflict data for each movement |
| UI | Fix: Up-to-date run status (red/green colouring) now fixed for a number of scenarios |
| RESULTS | New: Optional alternative (TfL) calculation of DoS that excludes modelled blocking back effects, now available |
| RESULTS | Fix: Adaptive Control: Mean phase duration calculation is corrected when phase runs in multiple stages |
| RESULTS | Fix: Adaptive Control: Stage skipping interstage error fixed |
| REPORT | Fix: Speed of generation of HTML reports restored |
| USER GUIDE | Revised Main User Guide (Issue G):
|
| Area | Change |
| MODEL | New: Simulation model now allows the assessment of the performance of single junctions or junctions that are part of a wider network, that are controlled by basic adaptive signal control, such as the UK’s “System D” |
| UI | Fix: Double-clicking on a network diagram item, opens the relevant screen and selects the chose item – Not the first |
| UI | Fix: Controller Stream data: ”stage probabilities” error no longer occurs. (Typically arising from the import of files created by older TRANSYT versions.) |
| UI | Fix: Can now copy numeric data from X-Y (Analyser) graphs |
| UI | Fix: OD grid pasting between Junctions 10 and TRANSYT 16 improved |
| UI | Fix: Network Diagram: Right-click context menu for OD/WA matrices, no longer crashes |
| UI | Fix: Network Diagram: Indication of Timing wheel landing zone now correct at all zoom levels, i.e. red highlighting no longer overlapping |
| UI | Fix: Network Diagram: Increased range of the Lane width ‘adjustment slider’ |
| USER GUIDE | Revised Main User Guide (Issue F):
|
| Area | Change |
| LICENSING | Organisation (company) name shown in both the TRL Software Portal and in the Licence Information screen within TRANSYT 16 |
| UI/PORTAL | Enhancement: From within TRANSYT 16, access to your cloud-based data files (stored within the TRL Software Portal) |
| UI/PORTAL | Enhancement: From within TRANSYT 16, access to cloud-based ‘guest’ files that are shared with you by other organisations |
| UI | Fix: Reduced chance of reports failing to save to your chosen location due to a long path length. Additionally, a new ‘File Preference’ allows users to direct TRANSYT to save HTML reports to their ‘temp’ folder |
| UI | Enhancement: Network diagram “Key” expanded to cover all data overlays |
| UI | Blue file selector controls at the bottom of the screen now shows full filename in preference to attempting to show location too. Full path shown as a tooltip instead |
| UI | Fix: Data Field Finder can now optionally show “Advanced” data items as well as being more reliable in what it shows |
| UI | Fix: Top menu drop-downs now show more Demand Sets, Analysis sets and time segments without having to scroll |
| UI | Fix: Several other small fixes have been implemented in this release |
| USER GUIDE | Revised Main User Guide (Issue E):
|
| Area | Change |
| LICENCE | Enhancement: Ability to lock licence to a device so that TRANSYT 16 can be used off-line (No internet) |
| LICENCE | Enhancement: Improved tolerance of poor internet access: Licensing system tolerates short outages better |
| PORTAL | Enhancement: The ability to offer either “read-only” or “contributor” access to files and folders within your file directory area. Facilitates close collaboration with clients |
| UI (Fix) | Excel demand set source “offset” ignored when it is meant to be |
| UI (Fix) | Timing wheel repositioning no longer linked to controller position |
| USER GUIDE | TRL Software Portal’s User Guide updated to include full details of the new collaborative “guest access” facility |
| USER GUIDE | Revised Main User Guide (Issue D):
|
| Area | Change |
| LICENCE | Enhancement: New cloud-based user subscription licencing system – Licence follows you to where you are |
| LICENCE | Enhancement: When using a cloud-based licence, TRANSYT automatically recognises cloud-based Junctions 10 licence |
| LICENCE | Enhancement: When using a device-based (ERIS) licence, TRANSYT can be set to recognise a Junctions 10 ERIS licence |
| LICENCE | Enhancement: ‘File Preference’ added to allow easy switching between the two licensing systems – CLOUD (user-based) and ERIS (device-based) |
| PORTAL | Enhancement: Access to new TRL Software Portal, where you can collaborate (store and share files) and also access the latest version of TRANSYT 16 at any time |
| UI | Enhancement: ‘Bulk Edit’ option for speeding up data-entry for very large intergreen/interstage matrices |
| UI | Enhancement: Via the Help Menu, a link to the new TRL Software website “Ideas portal” |
| UI | Some minor design modifications made, to match similar ones made in Junctions 10 |
| UI | Automatically deletes references to deleted phases (previously when a phase on a controller was deleted, the Stage Libraries retain the Phases) |
| UI(Fix) | Results (Red/Green) Status: Now working properly for files that had different cycle time results (e.g. Minimum Possible Cycle Time) within each set |
| UI(Fix) | ‘Run all stage permutations’ facility: Ranking of results now works correctly |
| MODEL | Simulation modelling with PICADY two-lane minor give-way no longer banned |
| MODEL(Fix) | Exclude in results calculation” option heeded correctly when in Simulation Mode |
| DOCS | Updated EULA to include ‘fair use’ description for new user licence allocation |
| USER GUIDE | Revised User Guide (Issue C):
|
| Area | Change |
| UI (Fix) | Network Diagram OpenGL compatibility issue solved (often associated with newer laptops and with Intel(R) HD Graphics Card Renderer) |
| UI (Fix) | New User preference “Use hardware acceleration” which can be used to fix rare issues with the display of the network diagram |
| UI (Fix) | Network diagram options: Lane “width” option now working as intended |
| FILES | Library Files now heed Audit Trail file preferences |
| UI (Fix) | Difficultly seeing all Demand Sets in Main Data screen now fixed |
| UI | Enhancements and Fixes: Simulation “Signals Log”:
|
| FILES | Sample and Library Files edited to take account for possible use in Simulation Mode by ensuring traffic stream lengths are consistent (Auto-length used throughout) |
| UI | Demand Set names are interpreted better to avoid duplicate names – e.g. references in name to AM and PM now automatically copied into “time period name” |
| UI | New checkbox at bottom of OD Matrix “Entry Flows” tab, to allow a view of all traffic types, irrespective of whether or not there are any paths associated with these traffic types. This gives access to remove flows when they are no longer needed |
| UI | Network Diagram – Retention of connections between locations and traffic streams improved when using the “Move Lanes” facility to split or join traffic streams |
| UI (Fix) | When pedestrian crossings, nodes or controller stream IDs are renamed, Collection references are updated too, i.e. synchronised |
| LICENCES | Polling of network licence improved – Grace period added to allow you to save your file before connection is lost |
| USER GUIDE | Revised User Guide (Issue B): Miscellaneous minor corrections and additions. |
Please see the TRANSYT 16 Enhancements page for more details (with pictures) of some of the new features in TRANSYT16.
Enhancements include:
- Simulation Mode, offers for the first time the following modelling capabilities…
- non-cyclic scenarios, i.e. intermittent stages
- blocking back effects
- lane starvation
- complex flares (short bays)
- uncoordinated traffic signals
- Traffic modelling…
- run all Demand Sets for each Analysis Set
- run all stage sequences
- alternative fast (link-by-link) optimisation
- Workflows, productivity and reporting…
- dynamic Excel link for easy capture of flow data
- enhanced and extended import/export options
- batch run facility
- retrospective auto-naming of network components
- Enhancement: New alternative triangular platoon dispersion model (PDM), and associated file preference and file option (24.7)
- Enhancement: Triangular PDM own default dispersion and acceleration coefficients (24.7)
- Enhancement: “First time wizard” extended to include Chilean setup values
- Enhancement: Russian language version: New translations added
- Enhancement: bus/tram dispersion coefficients can now be applied to each individual traffic stream or link (25.7.1)
- Enhancement: Improved OD matrix flow allocation “Lane Balancing” for when relevant “paths” are unconstrained
- Enhancement: User Guide now opens within program with a wider range of PDF readers
- Enhancement: Option to “save files without results included” is now available (6.14.5)
- Revision: HTML report revised to report relevant dispersion coefficients
- Revision: New TRL Software contact details referenced
- Revision: Arm IDs accept longer IDs, to facilitate new TRANSYT export from Junctions 9
- Revision: Warning message about missing nodes is now suppressed in some circumstances
- Revision: Priority Junction major road data item tool-tips improved
- Revision: Revised user guide, reflecting the various product enhancements – Issue K
- Fix: Results no longer flagged as out-of-date when they’re not (Related to RR67 data)
- Fix: 125% DPI setting no longer affects “Main Data” Window and various tick-boxes
- Fix: Cost unit symbol now taken account of when opening Library Files
- Fix: Reported delay/queue associated with a give-way with zero capacity and with random give-way parameters both set to true, now corrected
- Fix: Wide-area matrix fix relating to use of “Allow looped paths on traffic nodes”
- Fix: Importing of normal traffic sub-category flows now works properly
- Fix: Indexing issues with multiple sets resolved
- Fix: Stops calculation revised to accommodate the presence of short moving queues
- Fix: Issue with the order of links across time-segments resolved
- Fix: Problem relating to deleting traffic streams referenced by give-ways now resolved
- Fix: Optimiser no longer affected by presence of different cycle times within one network
- Fix: Rotation of master controller timings, no longer causes mismatch with animations
- Enhancement: Option to rotate all signal timings, in order to retain the same master controller offset after optimisation (or to set the master controller offset to zero) (26.5.6)
- Enhancement: Easier to spot differences in intergreen matrix that involve absent conflicts
- Enhancement: Right-click option on the main menu Data Grid & Data Editor button, allows you to quickly change from grid to editor or vice versa for the currently displayed topic
- Enhancement: Multi-selection now easier, as selection is less readily reset
- Enhancement: Data grids now allow multiple rows to be deleted in one go
- Enhancement: Network diagram orange highlighting ‘toned down’ with opacity option added
- Enhancement: If a filter is applied, selections in the diagram now only apply to filtered items
- Enhancement: Network Diagram upstream/downstream arrows fade colour to reflect distance from origin
- Enhancement: SCATS volume flow import now works with either 48 detector file format or older 24 detector file format and also with multiple approaches within the exported file
- Fix: Network diagram text orientation is now correct when rotated in 3D mode
- Fix: Time distance Diagram no longer crashes when the data it shows is removed
- Fix: Stage Sequence Diagram: Right-click options no long cause any crashes
- Fix: Demo mode no longer erroneously taking account of the number of previous changes in the file prior to opening it. This ensures demo mode always allows a limited number of small changes to data files
- Fix: Reports including diagrams are no longer intolerant of filenames that include ampersands
- Fix: Unrestricted stop lines and bottlenecks now more visible in network diagram
- Fix: Stage sequence diagram: Blue animation now works correctly for repeated stages
- Fix:Traffic streams can now be connected downstream of links (i.e. flows retained)
- Fix: The special screen right-click menus now works as expected
- Fix: Flow Mode graph now shown when selecting paths via local matrix
- Fix: Hidden (pedestrian) end-of-green amber value is no longer erroneously added to the intergreen when using clearance times
- Fix: Editable bus and tram acceleration rate now exposed as correct value. Note: This is only relevant if the default has been changed
- Fix: 125% Windows DPI setting no longer results in cropping of text in Traffic Streams window
- Fix: Matrix path item names (and references to them) now updated during file merging
- Fix: Up-to-date red/green check is no longer broken by “proportion that turn” data item
- Revised User Guide – Issue J
Users of TRANSYT 15.0 and 15.1 might also benefit from looking at this short list of changes:
(References to relevant sections of the User Guide are shown in brackets)
Enhancements:
- Modelling Improvements
- Automatic network structure minimisation used to speed up optimisation runs
- Tool to auto-calculate pedestrian conflicts from the network diagram (15.5.3)
- Tool to auto-calculate pedestrian intergreens from a scaled diagram (15.5.3)
- Reducing cycle times is less likely to result in invalid initial timings
- Option to set cell saturation flow values automatically
- Minimum saturation flow value reduced to 50 PCU/hr
- Data handling improvements
- Saving of results for all analysis sets within one file (6.14.6)
- Run all data sets in one go (Evaluation or optimised) using ‘run button’ dropdowns (6.8)
- Red/green colour-coded tracking of up-to-date and out-of-date results (6.13)
- Analysis sets and demand sets can be colour-coded to assist in keeping track of categories of sets, or to match up related demand sets (12.5)
- Main menu right-click options allow analysis/demand sets to be added or removed
- User-selectable sharing of data items between data sets (12.3)
- local OD Matrix can use flows from another local OD Matrix (13.4.5)
- OD Matrix grids now only show locations associated with the currently displayed traffic type, making them smaller and easier to use
- Ability to update multiples of the same data item in one go, using a data grid. Newly applies to dropdown selections and check boxes as well as text and numbers (6.12)
- Dispersion coefficient data-entry simplified
- Lane-flow diagram “flow overlays” (10.10.9)
- Show demand flows, achieved flows, or lost flows
- Filter (and colour-coded) by origin and/or destination, by OD matrix or by OD Location
- Network representation/diagram redesigned to improve ease-of-use (10)
- Stop-lines improved
- Auto-set lane arrows, based on estimated traffic turning movements (10.5.2)
- Quickly show results on background without network structure (10.10.4)
- Manipulating backgrounds no longer suffers from annoying de-selection
- Option to suppress bend points (default is on) to speed up network creation (6.18)
- Right-click ‘control’ type selection easier to use
- Existing collections can now have items added to them, via the right-click menu
- Second phases can now be specified using the traffic stream right-click menu
- Connectors now have direction arrows
- Improved scaling of overlays of pedestrian and vehicle flows
- Option to hide toolbars
- Quick flares now more visible (16.2.2)
- Orange highlighting now easier to see when zoomed out
- Most network overlays now have a full key
- General graphical interface improvements
- Ability to take any window outside of the main window by double-clicking on its header (6.17.2)
- Fully labelled tool bars for ease-of-use
- Layout of special windows improved (e.g. Main Data window)
- Multiple data editor windows can be open at the same time (7.4)
- Freezing of data editor/data grid contents using a forth-level padlock, allowing you to compare before and after results (6.11)
- Stored window layouts now work with multiple monitors (6.17)
- Size of the underlying network structure (path segments) of traffic stream network now reported in the bottom right-hand corner of the main window (6.8.1)
- New “sync” button (see main menu) forces data grid to display data related to currently selected data item (9)
- New “Fast mode” (see “Data” menu) increases GUI responsiveness when working with large networks (6.6)
- Copy and pasting of part sections of any data grid now allowed
- Improved quality of copy and pasted graphics (including option to define image resolution) (10.4)
- New “Exhaustive data outline” option (Default is off) hides non-essential items unless they already exist in the file (6.18)
- Use of new default OD Matrix settings ensures the use of traffic nodes is optional
- Various minor enhancements to Audit Trail facility (23.1)
- Task List has wrapping text descriptions to make long messages easier to read
- Other diagram improvements
- New “phase diagram” option in stage sequence diagram (15.7.5)
- Layout and available options for stage sequence diagram improved generally
- In the stage sequence diagram, two options have been added to select alternative sequences and to set the currently displayed sequence as the active one (15.7)
- Option to hide banned stage transition diagram in stage sequence diagram
- Multiple cycling shown differently
- Intergreen matrix banded stage changes more logically uses crosses instead of ticks
- Reporting Improvements
- Enhanced file comparison that allows comparisons between separate files and also within the same file, e.g. between different data sets (20.4)
- Vertical toolbar “Results” button to speed access to most important summaries (19)
- Rows of tables containing the same data are collapsed down to a single “All” row, and hence reduces the length of reports
- Signal timing penalties now reported as part of the controller results (21.3.1)
- Enhanced cyclic flow profile (CFP) and analyser graphs (19.4)
- Both CFP and Traffic graphs can be added to reports in either single or double column format (19.4)
- Wide-Area Matrix tables now available in the HTML report (21.1)
- New option to suppress pedestrian tables (21.1)
- Local matrices’ general settings now in HTML report
- Minor Final Prediction Table improvements
| Area | Change |
| MODEL (Fix) | Source data now correctly interpreted on inter-matrix connections |
| LINKS | TRANSYT Aimsun LINK now works with Aimsun releases 8.0.8, 8.0.9 and 8.1.0 |
| LINKS | TRANSYT VISSIM LINK now works with VISSIM release 7.00.07 |
| UI | Timing Diagram: Stage timing text values now always appear in report |
| UI | Timing Diagram: Phase delay duration easier to see |
| UI | Timing Diagram: More options saved as File Preferences and also appear in report |
| UI | Give-ways on exits (connected directly to OD Location) now tolerated |
| LICENCING | Priority Objects updated to notice presence of ARCADY 9 and PICADY 9 licences |
| UI (Fix) | Collections now work with the new PCU factors |
| UI (Fix) | Merged Collections now correctly reference renamed link and traffic stream IDs |
| RESULTS (Fix) | Inapplicable pedestrian results no longer added to reported network totals |
| UI (Fix) | The accidental re-sizing of the report font-size, instead of scrolling the report, is now fixed |
| UI (Fix) | Adjusting the network spacing in a diagram now adjusts crossings too |
| UI (Fix) | Fix: Mini-roundabout “Arm Order” now correctly referred to as “Entry Order” |
| REPORT | Contents: Small improvements and removal of various anomalies |
| REPORT | Clearer text on images in reports |
| REPORT | Unnecessary bookmarks automatically removed from exported Word file |
| UI / REPORT | Stage Sequence Diagram: Improved readability in GUI and in the report |
| UI | Various changes to UI to accommodate DPI 125% setting |
| UI | Controller Streams are now opaque white to make them easier to see |
| REPORT | Dutch TxC calculation now reported for each traffic stream/link that it is requested for, instead of for each phase. Results based on user-selected flow sources now provided |
| FILES | Collection of supplied Library Files updated – Three new files added |
| USER GUIDE | Issue G: Revised to reflect the above changes, including a new section on filters and how to set up traffic streams controlled by two phases |