In early May, 2008 version 3.5 was rolled out. It incorporates the following changes:

• Upgraded to state of the art programming platform to improve calculation performance
• Improved input table capabilities and performance
• Slick new look! (new skin)
• New dedicated server with improved security, better performance, and greater capacity for concurrent users.
• Integrated online user instructions and technical documentation
• Improved database backup procedures
• More streamlined integration with IMPLAN economic impact model
• Greater data precision in input tables

TREDIS Logic Improvements

• Improved impact detail on Benefit/Cost report
• Multiple perspectives of benefits and costs: National vs. Study Area
• New method for reconciling mode shifts, time-of-day shifts, and induced travel (see TRB paper)
• Better reporting of travel demand changes on Direct Impact reports
• More logical impact reporting structure