Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Patent
1978-11-06
1980-12-16
Byers, Jr., Nile C.
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
404 72, 404 71, E01F 1100
Patent
active
042394155
ABSTRACT:
A method of installing an electromagnetic sensor loop in a multiple lane highway for monitoring vehicle traffic which includes the steps of placing a test loop at a desired location in a highway traffic lane approximately centrally thereof and varying the lateral dimension of the test loop until the field strength generated thereby at the lane edge is such that the loop will reliably distinguish between a vehicle in the lane in question and a vehicle in the next adjacent lane.
REFERENCES:
patent: 3641569 (1972-02-01), Bushnell
patent: 3651452 (1972-03-01), Friedman
patent: 3745450 (1973-07-01), Wilt
patent: 3863206 (1975-01-01), Rabie
patent: 3983531 (1976-09-01), Corrigan
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