Inexpensive Retroreflectivity Field Inspection Kit

The Cornell Local Roads Program worked with three counties and several municipalities within those counties to study how a retroreflectometer might be shared by the 74 local jurisdictions to help them meet the new standards for sign retroreflectivity in the Manual on Uniform Traffic Control Devices...

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Veröffentlicht in:Transportation research record 2015-01, Vol.2472 (1), p.214-219
Hauptverfasser: Orr, David P., Scott, Geoffrey R.
Format: Artikel
Sprache:eng
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