Helmet v5.0.1

5.0

Renewed model estimated from 2023 travel survey.

5.0.1

Critical updates:

• Agent-based model works (#593), please consult HSL if you intent to use it
• Added connector clear type validation (#602)
• Added fallback to H4 vehicle aggregations for MAL2023 compatibility (#596)

Non-critical updates:

• Updated readme and config for 5.0 version
• Fixed tests by fixing linktype
• Improved different zone number validation by skipping empty scenarios
• Allow trams within the light rail node allocations (#602)

Known bugs:

• Agent-based park-and-ride tours are not assigned to network

Helmet 5

New model version with:

• updated mathematical models (data from year 2023)
• different logic for crowded public transport
• park & ride mode
• better cycling routing
• less dummy variables
• updated price levels to 2023

Check the online documentation for more details:
https://hsldevcom.github.io/helmet-docs/

Helmet v4.1.3

4.1

• Migrated to python 3
• New EMME network format

Not compatible with old EMME databases!

4.1.3

• Fix headways in extra waiting times by @johpiip in #485
• Bump version number by @johpiip in #486

Full Changelog: v4.1.2...v4.1.3
See also v4.1.3 Milestone for further discussion.

Helmet v4.1.2

4.1

• Migrated to python 3
• New EMME network format

Not compatible with old EMME databases!

4.1.2

• Speed up histogram incrementation by changing lookup method by @zptro in #452
• Fix floating-point number error by @zptro in #455
• Fix bicycle trips CBA by @samakinen in #463
• Remove hard-coded area-based bounds from Purpose by @zptro in #459
• Fix travel times for heavy modes when there are toll costs on the network by @johpiip in #464
• Generalize sub-bound handling by @zptro in #469
• Bump helmet version by @johpiip in #478
• Add zone data aggregation functionality by @zptro in #460
• Move CarUseModel and TourCombinationModel into own modules by @zptro in #477
• Change model run defaults by @johpiip in #483
• Add mode validation by @zptro in #479

Full Changelog: v4.1.1...v4.1.2

See also v4.1.2 Milestone for further discussion.

Helmet v4.1.1

4.1

• Migrated to python 3
• New EMME network format

Not compatible with old EMME databases!

4.1.1

• Fix truck travel time matrices (#439)
• Add Modeller toolbox for simple link attribute file dump (#440)
• Re-arrange summary sheet in cba excel file (#443)
• Fix SAVU printing (#433)

Known bugs

• Some random OD pairs have too low transit fare (#455)

Helmet v4.1.0

4.1

• Migrated to python 3
• New EMME network format

Not compatible with old EMME databases!

4.1.0

Critical updates (in cost-benefit analysis):

• Fix maintenance cost and zone-wise result print (#420)

Non-critical updates

• Change SAVU definition (#422)
• Fix warnings and error messages (#423, #424, #425, #426, #429, #431)

Known bugs

• Wrong HELMET_VERSION number ("v4.1.0-beta.3")
• Travel time is not written to matrices for vans, trucks and trailer trucks (#432)
• Some random OD pairs have too low transit fare (#455)

Helmet 4.1 beta 3

4.1

• Migrated to python 3
• New EMME network format

Not compatible with old EMME databases!

4.1.0-beta.3

Critical updates

• Fix bike assignment (#412, #415)

Non-critical updates

• Change baseline zone data folder name from 2016 to 2018 (#413), breaking change!
• Add node number validation (#411)
• Update test data (#407)

Helmet 4.1 beta 2

4.1

• Migrated to python 3
• New EMME network format

Not compatible with old EMME databases!

4.1.0-beta.2

Critical updates

• Re-add dropped last iteration when reaching gap threshold (#396)

Non-critical updates

• Stabilize congested transit assignment results (#393)
• Print zone-specific CBA (consumer) results to text file (#394)
• Preserve order of travel modes in result prints (#389)
• Fix weird logsums for some small zones (#388)
• Some new result prints (#384, #387, #394)

Helmet 4.1 beta 1

4.1

• Migrated to python 3
• New EMME network format

Not compatible with old EMME databases!

4.1.0-beta.1

• New config format and new CLI parameters (#377 and #383)

Helmet 4.1 alpha 4

4.1

• Migrated to python 3
• New EMME network format

Not compatible with old EMME databases!

4.1.0-alpha.4

• Fix headway bug in congested transit assignment (#376)
• Fix 24h node results (#373)
• Single out connectors in vehicle mileage results (#374)