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RP 199
This page contains information about research projects that are currently underway. Monthly reports are in PDF format.

  • Project Description:
  • With limited funding, there is increased emphasis that current Idaho Transportation Department (ITD) flexible pavement design methods be the most cost effective. The research will evaluate existing design methodologies to determine if they are still applicable to current needs or if modifications can improve performance and reduce costs.
  • The objectives of this project are:
  1. Determine which flexible pavement design method(s) (with emphasis on surfacing thickness) provides the most economical design.
  2. Review selected District projects designed with the standard top down design procedure, i.e. current ITD design method, for performance and longevity.
  3. Review any District projects designed with variations from the standard top down design for performance and longevity.
  4. Provide recommendations on continued or expanded use of the variations if research warrants.
  5. Review ITD traffic projection models to determine if ESAL values are consistent with other states and if projected truck volumes exceed roadway capacities.
  6. Provide recommendations of any proposed changes.
Monthly Reports
JAN10 FEB10 MAR10 APR10 MAY10 JUN10 JUL10
AUG10 SEP10 OCT10 NOV10 DEC10 JAN11 FEB11
MAR11 APR11 MAY11 JUN11      

 


Page Last Modified: 8/12/2011 10:58:47 AM

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Idaho Transportation Department
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