Photo:

rumble_strip_center.JPG rumble_strip_shoulder.JPG
Description:
Driving by braille is not recommended; however, these carved depressions in the road are an effective warning that the vehicle's wheels are headed for danger. The little bumps provide the driver with tactile and audible warning that the car is not in its lane.

Categories:

Mistake-proofing category: mistake detection
Setting function: information enhancement
Regulatory function: Warning
Source: Off-the-shelf

Links:

Secondary Problems (side effects, weakness or concerns) with this example:

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Sources of Supply:

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Example 62 at http://www.mistakeproofing.com/example7.html


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