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A replication of the use of public posting in traffic speed control

Authors
  • Gloria M. Roqué
  • Michael C. Roberts
Publication Date
Jan 01, 1989
Source
PMC
Keywords
Disciplines
  • Design
License
Unknown

Abstract

In an attempt to replicate several previous studies, a reversal design was used to assess the effects of publicly posted feedback on vehicle speed reduction. The intervention phases consisted of daily posted feedback that supplied drivers with either accurate or inaccurate information regarding the percentage of vehicles exceeding the speed limit on the road. Results from the two feedback conditions indicated no speed reduction in comparison to baseline levels. These results are discussed in light of previous studies that found strong effects for such feedback. Baseline levels of driver compliance and methodological differences may limit the effectiveness of posted feedback in reducing speeding.

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