Version History

FREEWAYS

• Allows importing/exporting of Access Demand for Managed Lanes
• Fixes unsaved Freeway-to-Freeway demand in single segment Weaving analyses
• Fixes increasing Freeway demand for first segment in facility analyses with cross weaving
• Includes other minor fixes and improvements

FREEWAYS RELIABILITY

• Corrects Average Density results when exporting summary results to CSV
• Includes other minor bug fixes and improvements

TWOLANE

• Adds Full View option to view inputs and report simultaneously
• Includes other minor bug fixes and improvements

MULTILANE

• Adds Full View option to view inputs and report simultaneously
• Includes other minor bug fixes and improvements

SERVICE VOLUMES

• Includes other minor bug fixes and improvements

STREETS

• Includes other minor fixes and improvements

TWSC

• Includes other minor fixes and improvements

FREEWAYS

• Implements new design and major fixes for freeway facility graphic
• Adds Full View for facility analysis
• Adds option to animate between analysis periods for freeway facility graphic
• Implements new design of heat map report
• Allows changing of unit systems without closing file
• Allows user-entered input of Work Zone FFS
• Limits ramp flow rate when greater than ramp capacity
• Corrects off-ramp flow rate of weaving segment in oversaturated conditions
• Includes other minor fixes and improvements

FREEWAYS RELIABILITY

• Displays TTI distribution chart in formatted report
• Adds new performance measure LOTTR
• Allows export TTI in all analysis periods to CSV
• Allows input of Special Event Scenario Name
• Includes other minor bug fixes and improvements

TWOLANE

• Corrects negative PF25cap and PFcap

MULTILANE

• Implements redesign of formatted and text reports
• Allows import/export from/to CSV

HIGHWAY SAFETY SOFTWARE

• Includes other minor bug fixes and improvements

MUTCD Signal Warrants

• Corrects Warrant 4 total pedestrian and alternate figure speed conditions

STREETS

• Improves the signals multiple-period text report and export to CSV file functionality
• Corrects a display issue for queue storage ratio with zero storage
• Includes other minor fixes and improvements

FREEWAYS

• Adds simulation and animation support for TransModeler traffic simulation software
• Adds TTI on facility graph
• Updates upper range of segment length and accel/decel lane length for Merge/Diverge segments
• Allows users to code access demand between ML lanes and GP lanes
• Adds ramp types on formatted reports
• Includes other minor bug fixes and improvements

TWSC

• Adds simulation and animation support for TransModeler traffic simulation software
• Corrects shared capacity for minor street approaches

AWSC

• Adds simulation and animation support for TransModeler traffic simulation software

STREETS

• Corrects the red-color results display issue for unsignalized movements in some cases
• Improves the command line functionality
• Displays optimization process details in command line processing

TWSC

• Corrects text report display issue related to shared capacity and flared capacity
• Calculates Vc,min (Eq. 20-33) by looking at the opposing approach thru lanes (instead of current approach)
• Corrects use of headways when number of through lanes differ for the major street approaches

FREEWAYS

• Includes graphs in the facility formatted report
• Adds more options to the Default Settings for specifying the formatted report and CSV file export settings
• Provides volumes in exported CSV files
• Implements major diverge analysis functionality

MULTILANE

• Adds error checking and information button and popup to provide real-time error checking messages
• Corrects the mean speed calculation issue

TWOLANE

• Adds new charts for follower density and speed distribution to the formatted report
• Fixes crash issue when grade > 0 and grade < 1 for some cases

HIGHWAY SAFETY SOFTWARE (HSS)

• Adds the new roundabouts analysis procedure
• Allows users to code parameters for each segment and intersection
• Implements crash distribution tables for rural and urban facilities
• Allows import/export parameters template to apply state/local factors
• Adds new error and warning conditions to validate input data

STREETS

• Adds interchange-wide ETT and LOS computation
• Corrects the calculation and display of O-D movement A, M and N demands in the interchanges results report
• Updates the phase duration graphic to display the flashing yellow arrow and Dallas left-turn phasing options
• Fixes the display of U-Turn Volume inputs for interchanges

ROUNDABOUTS

• Adds lanes graphic to the formatted report

TWSC

• Corrects a display issue for RCUT report
• Corrects flow-balancing warning message for RCUT

FREEWAYS

• Adds metric unit system support for freeway facilities and travel time reliability
• Increases the Capacity Adjustment Factor (CAF) upper limit to 2 to allow for AV/CV and other applications
• Adds more conditions to check merge and diverge segment lane additions and lane drops to analyze as basic segment
• Corrects the speed ratio implementation in the work zone analysis

MULTILANE

• Adds metric unit system support

TWOLANE

• Implements the new two-lane highways committee-approved chapter of the HCM
• Includes a completely redesigned module with a new user interface and modern architecture
• Provides segment and facility analyses within the same interface
• Supports metric unit system

SERVICE VOLUMES

• Adds metric unit system support

STREETS

• Adds simulation and animation support for TransModeler traffic simulation software developed by Caliper Corporation
• Replaces the Quick Animation button on the toolbar to run TransModeler instead of TSIS-CORSIM
• Adds an error check to ensure storage length does not exceed segment length

TWSC

• Allows coding of a U-turn lane even if side street exists
• Corrects the UI display of RCUT sections in full view for some files
• Corrects the display of RCUT control delay and ETT on RCUT report for some cases

FREEWAYS

• Implements planning level analysis for freeway facilities
• Implements design analysis for individual segments
• Adds managed lane inputs to the global inputs
• Removes the density at capacity input from global inputs
• Corrects LOS results when off-ramp demand-to-capacity ratio is larger than 1
• Improves the facility graph layout to fit long facilities
• Adds new error and warning conditions to validate input data
• Displays on-ramp queue and mainline queue on the facility text report for oversaturated analyses
• Displays VMT-Demand for the facility on the facility text report
• Reliability Analysis: adds planning level analysis

HIGHWAY SAFETY SOFTWARE (HSS)

• Automatically calculates the proportion of AADT during high volume hours which can be overwritten if necessary
• Displays both expected and predicted number of crashes in the facility overview table
• Allows changing the section type (segment/intersection) in the facility overview table

SERVICE VOLUMES

• Improves full view performance

MUTCD Signal Warrants

• Corrects Warrants 2 and 3 lane-checking conditions for some cases

STREETS

• Updates the lane utilization factor calculation for a DDI
• Adds F1 help topics for safety and emission related optimization inputs

ROUNDABOUTS

• Corrects the LOS threshold A for segment analysis

TWSC

• Corrects capacity calculation for LR and LTR configuration with flared approach
• Adds a flow balance check for RCUT and its conventional intersection
• Corrects usages of probability of queue-free state in calculations when there is a major-street shared LT lane or a short left-turn pocket
• Corrects the proportion of time blocked value usage for two stage crossing cases
• Corrects the determination logic for T-intersection and related calculation
• Changes the default value of critical headway from 0 to 2 seconds
• Corrects the movement delay and LOS display issue for major-street right turns

FREEWAYS

• Adds error checking and information button and popup to provide real time error checking messages
• Implements auto segmentation to code a facility from sections
• Allows opening and saving CSV files
• Adds the ability to view service volume tables for single-segment analyses
• Updates the facility graph to display colors, legends and tool tips
• Adds new charts such as volume served, density and speed distributions
• Implements printing all single segment reports in a facility
• Updates the heat map report design
• Allows print and print preview for heat map report
• Adds converting text and formatted reports to XPS files from command line
• Corrects weaving capacity in oversaturated calculation
• Corrects LCRR range for two-sided weave analysis
• Corrects equations for managed lane speed calculation and saving issue
• Reliability Analysis: adds new charts to display speed and density distributions

SERVICE VOLUMES

• Corrects ramp service volume calculation
• Adds converting text and formatted reports to XPS files on command lines

MUTCD Signal Warrants

• Replaces the old Warrants module with a completely redesigned newer version

STREETS

• Adds a larger and direction-oriented interchange graphic as the second page to the interchanges report
• Corrects the interchange O-D movement LOS computation for some cases by correctly applying all of the ETT, v/c > 1 and Rq > 1 conditions
• Improves the display of text inputs on report for the inputs containing -1
• Corrects the right-turn overlap phase display by showing it only when an exclusive right-turn lane exists
• Removes the Heavy Vehicle Equivalency row of inputs
• Corrects the standard deviation and 95th% confidence interval calculations in reliability analysis for multiple replication files

ROUNDABOUTS

• Corrects the delay due to turning vehicles calculation
• Adds command line functionality to batch process files, print text reports, update old files etc.
• Corrects the usage of intersection/segment in text report

TWSC

• Improves program speed and accuracy by completely revamping the internal architecture of this module
• Expedites coding of MUT/RCUT crossover intersections by adding a checkbox to designate a crossover intersection
• Implements and displays approach and intersection ETT and LOS calculations for RCUT intersections
• Adds command line functionality to batch process files, print text reports, update old files etc.
• Makes the headway and percent thrus using shared lane inputs user entered or calculated
• Adds error checking and information button and popup to provide realtime error checking messages

AWSC

• Displays a PHF message box on importing *.xhu files
• Adds command line functionality to batch process files, print text reports, update old files etc.

FREEWAYS

• Includes several improvements to the facility graph for ramp lanes, managed lanes, left-side ramps, two-sided weave etc.
• Adds segment selection and navigation through the facility graph
• Highlights selected segment in the facility graph
• Updates the facility text report to show additional facility-wide outputs such as VMT, VHT and VHD
• Adds the full view option for single-segment analyses to view inputs and report at the same time
• Improves animation of left-side ramps and two-sided weaving segments
• Corrects the display of number of segments in the facility text report
• Corrects equations for Merge/Diverge analyses with more than four freeway lanes
• Sets accel/decel lane lengths to 1500 when calculated length is larger than 1500 in Merge/Diverge
• Reliability Analysis: Corrects calculation of incidents when using the “Calculated Crash Frequency” option
• Reliability Analysis: Improves randomness of weather event assignment
• Reliability Analysis: Corrects Special Event analysis and adds option for users to use a date to add a special event
• Reliability Analysis: Replaces TTImax with TTI95 to more closely match HCM reporting guidelines

MULTILANE

• Adds the ability to model Bicycle LOS procedure
• Corrects the issue with remembering report zoom level

HIGHWAY SAFETY SOFTWARE (HSS)

• Adds the Empirical Bayes (EB) analysis capability
• Adds the ability to perform economic analysis

SERVICE VOLUMES

• Imports data from Freeways (XUF) files to eliminate the need to code the data twice
• Updates reports to display the full service volume tables
• Adds the full view option to view inputs and report at the same time

STREETS

• Adds a new heat map report
• Adds safety and emissions based signal-timing optimization capabilities
• Updates the Pedestrian, Bicycle and Transit procedure implementation to use the HCM6 equations
• Allows buses to be coded with or without the presence of right-turn lanes
• Improves the automatic refreshing of reports

ROUNDABOUTS

• Corrects the animation issue related to certain file names

TWSC

• Adds step-10 section to text report for all cases
• Corrects shared capacity calculation for files with a flared lane present

AWSC

• Corrects the issue with remembering report zoom level

FREEWAYS

• Adds the ability to include special events in travel time reliability analysis
• Improves the CSV file functionality
• Allows the animation of files containing multiple segments and multiple time periods
• Adds the ability to see detailed reports for individual segments in a facility analysis
• Corrects the dispay of missing weaving demand data inputs for screens with low resolution
• Displays a new segment graphic on segment details screen

MULTILANE

• Adds the ability to model Bicycle LOS procedure
• Corrects the issue with remembering report zoom level

HIGHWAY SAFETY SOFTWARE (HSS)

• Adds the ability to model Freeway and Ramp safety analyses
• Adds formatted reports
• Implements F1 help feature

TOOLS

• Adds a new HCS Service Volumes module

STREETS

• Adds a new intersection summary report
• Corrects missing timing data issue for certain uncoordinated intersection files
• Adds the ability to model side street split phasing with right turn overlap
• Updates the icon for the Streets Reliability module

ROUNDABOUTS

• Adds Roundabout Segment analysis
• Adds one-click CORSIM animation functionality

TWSC

• Adds one-click CORSIM animation functionality
• Corrects headway default value setting based on lane configuration

AWSC

• Adds one-click CORSIM animation functionality

FREEWAYS

• Implements travel time reliability for freeway facilities
• Adds one-click CORSIM animation functionality for single-period files
• Improves the interoperability with MS Excel thru CSV file import and export
• Adds a new color-coded Heat Map report
• Implements the mixed-flow model for composite grades
• Improves the weaving segment input page

TOOLS

• Adds a new Highway Safety Software module

STREETS

• Adds phasing and timing summary report
• Corrects a Lead/Lag issue for major street left turns for certain cases
• Adds general data to text reports

ROUNDABOUTS

• Adds fields for Passenger Car Equivalent

FREEWAYS

• Adds cross-weaving effect for a Merge/Diverge analysis
• Adds events and adjustment factors to Facility text report
• Adds Proportion of Flow Outside 4th Lane field for a Merge/Diverge analysis when necessary
• Adds range display when hovering over inputs
• Corrects display of number of managed lanes in Facility Graphic

• Adds the ability to model Diverging Diamond Interchanges (DDI)
• Adds interchange O-D graphics to the interchanges report
• Updates the Segment Auto LOS threshold for LOS A
• Adds the ability to export Signals and Streets multiple-period results to CSV files
• Updates the layout of the Streets multiple-period text report
• Adds the graphical summary to the full report

FREEWAYS

• Adds import/export demand data features
• Auto calculates total ramp density and interchange density for a facility
• Adds Managed Lanes analysis for the Merge, Diverge and Weaving segments
• Adds facility geometry graphic