Utah Admin. Code R930-3-2 - Definitions
(1) "Existing Noise Level" means the noise
level, Leq, resulting from the natural and mechanical sources and human
activity, considered to be usually present in a particular area.
(2) "Design Noise Level" means the noise
level, Leq, calculated for the worst traffic noise conditions likely to occur
on a regular basis using a method approved by FHWA.
(3) "Type I Project" means a highway
construction project that is related to an increase in traffic
noise-construction of a highway on new location or the physical alteration of
an existing highway which substantially changes the alignment or increases the
number of through-traffic lanes or the addition of auxiliary lanes or
interchange ramps.
(4) "Type II
Project" means a proposed highway project strictly for noise abatement on an
existing highway.
(5) "UDOT" means
Utah Department of Transportation.
(6) "FHWA" means Federal Highway
Administration.
(7) "dBA" means
decibels of sound expressed or measured using the "A" weighting scale of a
sound-pressure level meter.
(8)
"Leq" means the equivalent (average) sound level reported in units of
dBA.
(9) "AASHTO" means American
Association of State Highway and Transportation Officials.
Notes
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