Diamond Traffic Products TTC-4420 Manual - Página 3

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TRAIL TRAFFIC COUNTER

GENERAL DESCRIPTION

The TTC-4420 Trail Traffic Counter is a portable, battery powered instrument

for counting traffic on forest trails. The original TCS-90 design was completed

in 1972 at the Missoula Equipment Development Center, USDA Forest Service,

Missoula, Montana and was manufactured according to the U.S. Department of

Agriculture Forest Service Interim Specification for the last 13 years by

Diamond Traffic Products located in Oakridge, Oregon.