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New noise levels were computed at sample locations by applying TNM equation and values obtained from TNM-lookup table (Leq10min = average sound pressure level during 10 minute field measurement, LeqTNM_OBS = observed traffic counts incorporated into TNM model, LeqTNM_MPO = MPO modeled traffic counts incorporated into TNM model.
| City | Leq10min | LeqTNM Obs | LeqTNM MPO |
|---|---|---|---|
| Atlanta | 65.1±7.4 | 60.0±8.8 | 57.1±7.0 |
| Los Angeles | 66.4± 4.6 | 62.3±7.6 | 60.8±4.0 |
| New York | 69.2±4.1 | 62.7±5.0 | 67.3±5.7 |
