Optical illusion speed bump and method of using the same

Road structure – process – or apparatus – Traffic director – Vibration inducing member

Reexamination Certificate

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Details

C404S015000

Reexamination Certificate

active

07044679

ABSTRACT:
A speed control method and device. A speed bump is optically simulated on a roadway as by painting the roadway to create the appearance of a real speed bump, or an actual speed bump is visually enhanced to appear larger than it actually is. Actual speed bumps can be randomly interspersed among simulated speed bumps along a roadway.

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Internet article, “Painted patterns for slowing traffic” ; Nov. 1996; (1 page).
Internet article, “Safer Highways”; 1998; (1 page).
Internet article “Asphalt Contractors Bring Beauty to Their Paving Projects”; Dec. 1999; (8 pages).
Internet article, “Evaluation of Work Zone Speed Reduction Measures”; Apr. 2000; (3 pages).
Eyetricks Image Gallery #1-Optical illusions from eyetricks.com; May 16, 2001; 2 pgs.

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