Developing Freight Analysis Zones at a State Level: A Cluster Analysis Approach

The ability to plan and forecast freight demand to support transportation infrastructure investment decisions is limited by the lack of available data at a level of detail that is meaningful to the transportation planner.  This paper develops an initial methodology...

Transportation Infrastructure in Alabama: Finding and Filling the Holes

This research built upon previous work on the development of tools to bridge the gaps in the analysis and understanding of the relationships between economic growth and transportation infrastructure in Alabama. The tasks performed under this contract included:...

Issues and Approaches to the Utilization of Highly Aggregated Databases in Freight Planning and Modeling

As one of the four original pilot studies into disaggregation of the Freight Analysis Framework Version 2 program funded by the Federal Highway Administration, the research team at the University of Alabama in Huntsville (UAHuntsville) has experienced many of the...

Transportation Infrastructure in Alabama: Bridging the Data and Information Gap

The 2008 research into Transportation Infrastructure in Alabama had two main focal points; the creation of the Freight Planning Framework, with particular emphasis on the disaggregation and use of national level freight data at the state and local level, and the...

Using a Federal Database and New Factors for Disaggregation of Freight to a Local Level

Transport professionals at the local level often have difficulty incorporating freight into transport models and plans because freight data is proprietary at local levels requiring extensive aggregation to national levels before being released to the public. ...