Safety roadway delineator effective during rainy night-time driv

Details Safety roadway delineator effective during rainy night-time driv Safety roadway delineator effective during rainy night-time driv

1988-09-20

1991-09-17

Massie, IV, Jerome W.

Road structure, process, or apparatus

Traffic steering device or barrier

Curb

404 14, 404 6, E01C 1122

Patent

active

050490010

ABSTRACT:
A safety roadway delineator includes one or more elongate recessed marker surfaces which are coated with a reflective material, preferably a retroreflective material such as reflective glass beads. The recessed marker surfaces are vertical or at least inclined to the horizontal to insure water run-off and are formed either directly in cast-in-place concrete roadway members or in pre-cast polymer concrete facing panels which are attached to the cast-in-place concrete roadway members. The roadway delineator is substantially continuously protected from normal wear and reliably exhibits reflectivity both under dry and rainy weather conditions.

REFERENCES:
patent: 2345644 (1944-04-01), Weber
patent: 3037433 (1962-06-01), Maher
patent: 3203327 (1968-08-01), Daley
patent: 3396639 (1968-08-01), Lemelson
patent: 4000882 (1977-01-01), Penton
patent: 4348133 (1982-09-01), Trent et al.
patent: 4609587 (1986-09-01), Giordano et al.
patent: 4772155 (1988-09-01), Dinitz

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