Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1998-02-27
2000-04-04
Lisehora, James A.
Road structure, process, or apparatus
Traffic steering device or barrier
256 1, 49 49, E01F 1312
Patent
active
060452935
ABSTRACT:
A vehicle trafficway controller characterized by a person friendly driver intimidating wrong-way traffic condition for causing vehicle tire tread damage, having a vertically extensible tire tread piercing member shiftably carried by a frame and with a retractile tread piercing point, and a movable person protective cover isolating said point when in said person friendly driver intimidating wrong-way traffic condition, and exposing said tire tread piercing point to a tire tread rolling thereover, the tire tread piercing member being frangible and/or extended and retracted.
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Lisehora James A.
Maxwell William H.
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