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RP 222
This page contains information about research projects that are currently underway. Monthly reports are in PDF format.

  • Project Description:
  • This project will evaluate low-cost alternatives that have the potential to improve the safety of passing lanes in Idaho’s two-lane rural highways.
  • The objectives of this project are:
  1. To examine the effectiveness of improved signage on the safety and efficiency of the passing lane operations.
  2. To examine the effectiveness of alternative striping and pavement marking on reducing the speed at passing lane locations.
  3. To document the characteristics of passing lane crashes in Idaho's two-lane rural state highways.
Monthly Reports
JAN13 FEB13 MAR13 APR13 MAY13 JUN13 JUL13
AUG13 SEP13 OCT13 NOV13 DEC13 JAN14 FEB14
MAR14 APR14 MAY14        

 


Page Last Modified: 7/10/2014 4:12:02 PM

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Idaho Transportation Department
3311 W. State Street · P.O. Box 7129
Boise, ID 83707-1129