Optical speed bump
OwnerBradley K. Groffinventor
Life of this patent
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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.
Claims17
A speed control device comprising a portion of a roadway having at least one visually perceptible feature applied thereon, said at least one visually perceptible feature simulating the appearance of a speed bump to oncoming traffic.
A speed control device comprising:
- a generally flat portion of a roadway;
- an elevated bump projecting a first height above the generally flat portion of a roadway;
- and
- at least one visually perceptible feature applied on or adjacent the elevated bump to present the appearance of a speed bump having a second height greater than the first height.
A method of controlling vehicle speed along a roadway, comprising providing a plurality of speed control devices at spaced apart locations along a roadway, wherein at least one of said speed control devices comprises at least one visually perceptible feature applied to the roadway, said visually perceptible feature simulating the appearance of a speed bump to oncoming traffic.
Dependencies are inferred from the claim text.