TREDIS offers a unique solution for assessing economic impacts, benefits and costs of transportation projects.

• All modes
  - Make realistic tradeoffs across  rail, road, air and marine modes
• Multi-perspective
  - focus on travelers, wider economic impacts or social perspectives
• Scalable
  - Analyze local, regional, state or multi-state areas
• Web based access
  - Use nearly any computer; collaborate with colleagues elsewhere
• Modular framework design
  - allows you to use your favorite analytical engines or tools
• Transparent
  - See intermediate calculations to easily audit and validate results
• Cost effective solution!

News & Updates New: Travel Time Maps TREDIS Count: Now up to 33 States and Provinces! TREDIS -- an expanding presence on the web