Road structure – process – or apparatus – Road system
Reexamination Certificate
2004-10-08
2008-09-16
Addie, Raymond W (Department: 3671)
Road structure, process, or apparatus
Road system
Reexamination Certificate
active
07425104
ABSTRACT:
The invention relates to the area of road construction and may be used in the design of new or reconstruction of existing road junction with heavy traffic. The known junctions of roads do not ensure sufficient safe traffic, are complex and confusing to drivers, and have limited permeability and applicability. In order to increase traffic safety, the permeability of a junction, make it understandable to drivers, reduce the construction coasts and expand its applicability to junctions of three-way roads, each road's roadway for driving through the junction makes a right of a wide radius before the viaduct and under it, and then makes a left turn of a wide radius up to the next viaduct and through it. In all junctions of roads, the center of the radius of the left turn of each of the junction's roadway is shifted forward.
REFERENCES:
patent: 1689161 (1928-10-01), Skultin
patent: 2941454 (1960-06-01), Cedeno
patent: 3945745 (1976-03-01), Chang
patent: 2002/0076276 (2002-06-01), Troemel et al.
Abelman ,Frayne & Schwab
Addie Raymond W
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