Statewide Travel Demand Model
The Georgia DOT developed a statewide travel demand model to evaluate the impact of major transportation infrastructure and land use investment strategies throughout the state. The model provides GDOT and its partners the ability to evaluate changes in travel modes and patterns for people and goods, major changes in land use and economic policies, and alternative modes of person travel.
Resources
Fact Sheet
Development of Statewide Model
User Guide
2025 Peer Review Full Report
2019 Peer Review Full Report
2012 Peer Review Full Report
MPO Travel Demand Model
The Georgia DOT Office of Planning voluntarily develops, maintains, and updates travel demand forecasting (TDF) models on behalf of all urban areas of Georgia except Atlanta and Chattanooga. TDF models are an integral part of transportation planning. These models are used by GDOT and Georgia's metropolitan planning organizations (MPOs) to evaluate the performance of road networks in the state's urban areas.
Role of Travel Demand Models
The models play an important role in supporting the development of the federally required Long Range Transportation Plans (LRTPs). They are used to forecast the impact and effectiveness of various transportation improvement projects in the future. The forecasting process provides detailed information, such as traffic volumes, level of service on the surface transportation network, and other important information to be used by engineers and planners in their designs and decision making process.
Data Sources & Documents
Georgia DOT Socio-economic Data Development Guide
Census Data for Transportation Planning
U.S. Census/American Community Survey (ACS)
Census 2010 Tiger/Line Shapefiles
Georgia Department of Community Affairs
Georgia Department of Labor
Georgia 2030 Population Projection (Office of Planning and Budget)