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Tour 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 nested logit formulation
  • Accurate mode alternatives and availability conditions
  • Proper utility functions and level-of-service variables
  • Valid market segmentation and behavioral assumptions
  • Correct estimation and calibration details

Component Overview

The Tour Mode Choice model determines the primary transportation mode for each tour (round-trip from home or work to a primary destination and back).

Model Type: To be verified against SANDAG design document Decision Unit: Individual tours Purpose: Select primary mode for tour-level travel

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