induced travel

Induced Travel Calculator

Research Product Type
This calculator looks at how the addition of high-occupancy vehicle lane (HOV) miles contributes to the addition of vehicle miles traveled (VMT).

Induced Travel Calculator Improvements

  • Principal Investigator Jamey Volker, PhD
  • University of California, Davis
This project will explore possible improvements to the UC Davis Induced Travel Calculator and develop recommendations for any further improvements that would require additional resources. 
Project Status

Induced Travel Calculator Project

  • Principal Investigator Susan Handy, Ph.D.
  • University of California, Davis
This project will develop a web-based tool for calculating the induced travel effects of highway expansion projects
Project Status
In Progress

Induced Vehicle Travel in the Environmental Review Process

Research Product Type
Associated Publication
Associated publication in Transportation Research Record: Journal of the Transportation Research Board utilizing the Induced Travel Calculator to estimate the induced vehicle travel impacts of roadway capacity expansion projects in California.

Updating the Induced Travel Calculator

Research Product Type
Research Report
With Calculator use increasing, the Institute of Transportation Studies at University of California, Davis (ITS-Davis) initiated a project to update the National Center for Sustainable Transportation’s Induced Travel Calculator and improve its functionality based on recent data and empirical research.