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The National Academies

NCHRP 20-07/Task 231 [Completed]

Laboratory Testing of Proposed Roundabout Traffic Control Options
[ NCHRP 20-07 (Research for AASHTO Standing Committee on Highways) ]

  Project Data
Funds: $90,000
Research Agency: Transportation Research Corporation
Principal Investigator: Fred Hanscom
Effective Date: 2/27/2007
Completion Date: 2/28/2008

This study tested innovative roundabout traffic control device options for inclusion in the  Manual on Uniform Traffic Control Devices (MUTCD). The research is complete and the results have been presented to the National Committee on Uniform Traffic Control Devices for consideration for inclusion in the MUTCD.

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