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The National Academies

NCHRP 20-07/Task 222 [Completed]

Evaluation of the Field Implementation of the Flashing Yellow Arrow Permissive Left-Turn Indication
[ NCHRP 20-07 (Research for AASHTO Standing Committee on Highways) ]

  Project Data
Funds: $65,000
Research Agency: University of Wisconsin - Madison
Principal Investigator: David A. Noyce
Effective Date: 7/7/2006
Completion Date: 1/6/2008

This study evaluated the effectiveness of FYA-permissive indication field installations. The revised final report has been published on the TRB website as NCHRP Web-Only Document 123: Evaluation of the Flashing Yellow Arrow Permissive-Only Left-Turn Indication Field Implementation.

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