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Table 2 Extrapolated traffic and noise outcomes in dB for the entire city by neighborhood.

From: Spatial distribution of traffic induced noise exposures in a US city: an analytic tool for assessing the health impacts of urban planning decisions

  No. street segments Total 24-hr traffic (1,000s) Noise level (dB Ldn)
Neighborhood Non-arterial Arterial Non-arterial Arterial Non-arterial Arterial Mean (SD)
Bayview/Hunter's Point 1,226 170 7,571 2,683 66 70 66 (1.6)
Central West 1,400 286 7,209 5,512 62 67 63 (2.3)
Chinatown 155 34 1,637 578 66 69 67 (1.6)
Downtown/Civic Center 291 63 4,161 1,550 69 71 69 (1.0)
Excelsior/Visitation Valley/Crocker/Outer Mission 1,567 366 6,925 4,328 64 66 64 (1.5)
Financial District 343 93 5,077 2,841 67 72 68 (2.6)
Glen Park/Bernal Heights 747 77 1,662 1,553 60 69 61 (2.8)
Haight Ashbury 222 61 1,317 1,785 65 69 66 (2.2)
Inner Mission 577 130 5,344 2,995 67 71 68 (2.8)
Lakeshore 407 134 2,903 2,787 63 66 64 (2.5)
Nob Hill/Russian Hill/Pacific Heights/Marina 959 135 6,672 2,958 66 69 67 (1.5)
North Beach 486 43 2,849 805 65 70 65 (1.6)
Northwest 1,379 294 6,012 7,267 61 68 63 (3.0)
Potrero Hill 439 44 2,339 815 65 71 65 (2.1)
South of Market 569 126 9,829 2,994 70 70 70 (1.5)
Twin Peaks/Diamond Heights/Oceanview 1,379 243 6,370 3,060 61 66 62 (2.6)
Upper Market/Noe Valley 709 213 2,703 3,043 63 68 64 (2.6)
Western Addition 601 122 5,750 3,670 67 71 68 (2.6)
All 13,456 2,634 86,330 51,224 64 68 65 (3.3)