Modular traffic controller

Details Modular traffic controller Modular traffic controller

1977-02-18

1978-06-27

Byers, Nile C.

Road structure, process, or apparatus

Traffic steering device or barrier

404 11, 49131, E01F 1300

Patent

active

040971708

ABSTRACT:
A visible traffic controller permitting free flow of desired traffic in one direction while preventing reverse flow of undesired traffic in the opposite direction, and comprised of a low profile support or frame superimposed over an unaltered pavement surface and characterized by replaceable barrier modules each having several barrier blades for tire engagement and yieldingly biased for depression by a balancing spring means positioning a trunnion support therefor.

REFERENCES:
patent: 922165 (1909-05-01), Lee
patent: 1518616 (1924-12-01), Varnell
patent: 1527107 (1925-02-01), Allen
patent: 1949295 (1934-02-01), Dean
patent: 1960376 (1934-05-01), Gilman
patent: 2403014 (1946-07-01), Nampa
patent: 3134184 (1964-05-01), Neblett
patent: 3325782 (1967-06-01), Der
patent: 3423780 (1969-01-01), Alten

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