Statistical Testing is Essential to Transportation Research

I have lately refereed journal submissions where authors have totally evaded the concept of a statistical test while trying to demonstrate the importance of their research.  I will give somewhat altered (to protect the identities of the authors and avoid lawsuits) examples later.  Mainly, each of these authors has developed an innovation, compared the innovation …

Pain and Anguish while Creating an Automated Tool that Recommends Travel Forecasting Methods

I am on an NCHRP panel that is supervising a project to quantify the benefits of various methodologies for statewide travel forecasting.  That project is getting close to finishing, so I wanted to compare our consultant’s findings to whatever may have come out of the recent NCHRP project to create the software tool, TFGuide web …

The Long and Winding Road from the Hawaii Guidelines

With much help and encouragement from Kermit Wies and TRB’s ADB45 committee, I have placed most of the content of the Hawaii Guidelines for project-level traffic forecasting on the TFResource.org website in fully editable format.  At this moment there are 50 “topics” pages containing just about all the methodologies from the Hawaii Guidelines.  Some longer …

Greenhouse Gas Emissions Reductions from Traffic Improvements Are at Best Negligible 4th Order Effects

Checking some citations within a draft report that I have been reading led me to pervasive alternative facts about the relationship between greenhouse gas emissions and traffic improvement strategies.  It seems that not only are we daily subjected to incorrect interpretations about the sources of global warming, but we are additionally subjected to incorrect ideas …