Pre-fabricated multi-level roadway structure

Details Pre-fabricated multi-level roadway structure Pre-fabricated multi-level roadway structure

1997-06-26

1998-12-08

Liesehora, James A.

Road structure, process, or apparatus

Road system

404 2, 404 6, 14 24, E01D 1512

Patent

active

058460209

ABSTRACT:
The invention effectively multiplies a roadway vertically by allowing automobiles to travel on top of each other. Each section of the invention is a pre-fabricated reinforced concrete multi-level roadway structure that covers an existing lane of traffic on a roadway. The invention is easily cast, transported, assembled and moved, as needed. The cover of the lower roadway forms the roadway of the upper lane of traffic. The bottom section of the invention is made up of two "Jersey-type" barriers which have vertical columns that then support the upper roadway section. The upper section of the invention contains "Jersey-type" barriers for safety.

REFERENCES:
patent: 3301146 (1967-01-01), Krug et al.
patent: 3411167 (1968-11-01), Sedlacek
patent: 3811147 (1974-05-01), Dix
patent: 4181995 (1980-01-01), Zur
patent: 4604841 (1986-08-01), Barnoff et al.
patent: 4953249 (1990-09-01), Warwick
patent: 5042957 (1991-08-01), Arita et al.
patent: 5177913 (1993-01-01), Erel

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