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

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

	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)

ISSN: 1476-072X