Releases: SANDAG/ABM
v15.0.0
Initial release of ABM3 for use in the 2025 Region Plan (RP). The primary change from ABM2+ is the transition from the Java-based CT-RAMP modeling platform to the open-source Python-based ActivitySim platform.
Following are some highlights of this release. Detailed release notes are available on the documentation website.
- Base year updated from 2016 to 2022
- Moved from a 3-zone system to a 2-zone system
- Added new Commercial Vehicle Model (CVM) built on ActivitySim platform
- Network editing changed from the ArcInfo-based TCOVED to ArcGIS Pro-based TNED
- Model results written to Azure Data Lake
14.3.0
Since the adoption of 2021 Regional Plan (RP) in December 2021, additional model improvements were made, including input changes, software bugs fixes, and new model features. These improvements triggered releasing of ABM version 14.3.0, an update from version 14.2.2 used in 2021RP. ABM version 14.3.0 is for post 2021RP Service Bureau and other project level studies. Improvements included in version 14.3.0 are:
- Employment allocation corrections
- A cross-border model bug fix,
- Airport model update
- Airport enplanement forecast update
- Land use customization procedures in ABM2+ version 14.3.0 for project level modeling.
For improvement and bug fix details, please refer to this page 14.3.0 Updates
14.2.2
ABM2+ release for final 2021RP modeling. For improvements and bug fixes, please refer to this page 14.2.2 Updates