activitysim

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Multiple Models Management System

2

To develop a system for ensuring cooperative management of the shared AB modeling software platform, ActivitySim. When a contribution (i.e. pull request) to ActivitySim is made, the system runs registered...

joecastiglione

Time of Day Modeling Restructuring

2

- Implement the DaySim method of first modeling arrival and departure time at primary activity, then work outwards for intermediate stops, rather than the CT-RAMP method of departure time from...

joecastiglione

Visitor Travel Demand Model

1

Some regions have a significant amount of visitor travel. In these regions, there may be value in explicitly representing the travel of visitors, who have quite different behavior than regional...

joecastiglione

Continue to add recipes to our recipe book. Each recipe could focus on a modeling scenario, new feature development, QA/QC, reporting, etc. Maybe plan to add 2 or 3 in...

joecastiglione

Model Calibration - Partial Automation

2

Develop software to automatically run the model, compare select sub-model results to expected values, and intelligently automatically adjust alternative specific constants based on the differences. For example, run trip mode...

joecastiglione

ActivitySim Input Checking & Error Handling

2

Make it easier and less error prone to setup a new regional model implementation or scenario. When reading in inputs, the software will perform a series of validation checks such...

joecastiglione

Feature: Standard Freight / Commerical Goods Movement model review and plan and scope

1

Model the commodity flows throughout the region. This can take several forms, including aggregate, disaggregate, trip-based, tour-based, FAF-based, agent-based, etc. Several DOTs and MPOs have freight models, including some disaggregate...

joecastiglione

Feature: Roadway Topography

1

This pertains to network coding related to road grade & roadway topography.  Currently as you know, most MPOs and state regulatory agencies use the EPA MOVES model in conjunction with...

lmz

Feature: Micromobility (e-scooters…)

1

This feature is for adding new single and combined modes. Adding single modes (scooter, e-bike, etc.) is more of a data issue than a software issue. Adding new combined modes...

lmz

Feature: Toll Transponder ownership model design, estimate, calibrate/validate

1

Person level toll transponder ownership model to better address road pricing policies and highway assignment results for tolled/priced corridors. Likely good data on this and this feature is in a...

lmz