The T.R.E.N.D.S. Model is designed to provide transportation planners, policy makers
and the public with a tool to forecast revenues and expenses for the Texas Department
of Transportation (TxDOT) for the period 2012 through 2050. The User, through interactive
windows, can control a number of variables related to assumptions regarding statewide
transportation needs, population growth rates, fuel efficiency, inflation rates,
taxes, fees and other elements. The output is a set of tables and graphs showing
a forecast of revenues, expenditures and fund balances for each year of the analysis
period based on the User’s inputs regarding both transportation needs and revenue
choices.
T.R.E.N.D.S. will be updated on a monthly basis to include the latest cash forecasts
and letting schedules from TxDOT. In addition, as updates regarding population forecasts,
inflation rates, fuel efficiency, and other variables become available, they will
be incorporated into the model.
To make comments regarding the model, offer suggestions for improvements, or for
assistance, please contact David Ellis at d-ellis@tamu.edu
or Brianne Glover at b-glover@tamu.edu.
Please consult the User's
Guide for specific information on user-controlled inputs and a description
of the model output.