Road structure – process – or apparatus – Traffic director – Yielding
Patent
1990-06-28
1991-10-22
Britts, Ramon S.
Road structure, process, or apparatus
Traffic director
Yielding
404 9, E01F 900
Patent
active
050590600
ABSTRACT:
A traffic control apparatus for use in combination with a roadway having a paved surface, comprising an elongated housing structure disposed beneath said roadway; the major axis of said housing being perpendicular to the direction of traffic on said roadway; said housing having an upper wall disposed generally in the plane of said paved surface; said upper wall defining a generally rectangular opening; speed bump means disposed in said housing for selective movement relative thereto between predetermined inactive and active positions; said speed bump means being elongated, and substantially the length of said opening; said speed bump means having a flat surface portion adapted to close said opening and to bridge the width of said opening in the plane of the paved surface; said speed bump means having a generally cylindrical portion adapted to close said opening and to bridge the width of said opening with a projection above the plane of the paved surface; actuation means for selectively moving said speed bump means between said active and inactive positions.
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Technical Council Info Report; Road Bumps--Appropriate for Use on Public Streets; by ITE Technical Council Committee 5B-15; ITE Journal; Nov. 1986.
Recommended Guidelines for the Design and Application of Speed Bumps; third draft; ITE Special Task Force; Mar. 9, 1990.
Britts Ramon S.
Spahn Gay Ann
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