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The National Academies

NCHRP Synthesis 20-05/Topic 40-08 [Final (Synthesis)]

Effective Speed Reduction Techniques for Rural High to Low Speed Transitions
[ NCHRP 20-05 (Synthesis of Information Related to Highway Practices) ]

  Project Data
Funds: $35,000
Staff Responsibility: Jon M. Williams
Effective Date: 10/1/2008
Fiscal Year: 2008

TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 412: Speed Reduction Techniques for Rural High-to-Low Speed Transitions explores techniques for lowering traffic speeds in rural transition zones. Transition zones are those portions of high-speed roads that have lower posted speed limits as the roadway approaches a settlement.

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