The model is based on a National Highway Traffic Safety Administration public domain model of the USSID.
Major enhancements include:
Details about the model can be found in the documentation that is included in the downloadable package.
To submit questions, suggestions, or feedback about LSTC’s models, please send an e-mail to: atds@lstc.com. Also, please contact us if you would like to help improve these models by sharing test data.