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Trip Mode Choice

Documentation Update Required

This component documentation needs to be updated based on the SANDAG ABM Model Design document to ensure accuracy. The current content may contain inaccuracies compared to the original CT-RAMP specifications.

SANDAG Design Foundation

TM2’s CT-RAMP implementation is based on the San Diego SANDAG design. Please refer to the SANDAG ABM Model Design document for accurate specifications.

Status: Pending Update

This component documentation is scheduled for update with accurate specifications from the SANDAG CT-RAMP design document. The update will include:

  • Correct model structure and choice alternatives
  • Accurate tour mode constraints and consistency requirements
  • Proper utility functions and level-of-service variables
  • Valid market segmentation and behavioral assumptions
  • Correct relationship with tour mode choice model

Component Overview

The Trip Mode Choice model determines the specific transportation mode for individual trips within tours, constrained by the tour mode choice.

Model Type: To be verified against SANDAG design document Decision Unit: Individual trips within tours Purpose: Select specific mode for each trip segment

Temporary Reference

Until this documentation is updated, please refer to: - SANDAG ABM Model Design Document - SANDAG ABM Model Estimation Document

Last updated: November 10, 2025 - Marked for SANDAG design alignment