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IV. Highway 10 Noise Impacts - Noise Modeling Results <br />In order to determine the post -development noise impacts from Highway 10, SBP used the <br />MINNOISEV31 traffic noise model to determine daytime and nighttime peak noise hour noise <br />levels at selected residential locations in the proposed development. MINNOISEV31 is a <br />modified version of the FHWA noise prediction model STAMINA 2.0. <br />Receptor Locations <br />Noise impacts were modeled at 19 receptors representing worst -case residential locations for <br />noise impacts from Highway 10. The receptor locations are shown in Figure 1. <br />Traffic and High Noise Hour Determination <br />Generally, the highest hours for traffic noise impacts are when heavy truck volumes are high and <br />there is free flowing traffic. Hourly breakdowns of existing traffic and heavy truck volumes for <br />Highway 10 at this location were provided by Spack Consulting. <br />Based on this data, SBP conducted modeling of impacts at the project receptor locations using <br />traffic volumes from likely high impact hours. It was determined that the 4:00 pm to 5:00 pm <br />hour is the high impact daytime (7:00 am to 10:00 pm) hour for this location. The 6:00 am to <br />7:00 am hour is the highest impact nighttime (10:00 pm to 7:00 am) hour for this location. <br />Modeled Highway Noise Impacts <br />Table 2 and 3 present the modeled daytime and nighttime peak hour noise level impacts at each <br />of the 22 receptor locations. <br />