La Cañada Flintridge, CA Noise Levels
Is La Cañada Flintridge, CA noisy?
La Cañada Flintridge, CA's 60-69.9 dB(A) band spans one of HUD's zone boundaries, so the honest answer is a range: somewhere between "Acceptable" (65 dB(A) or below) and "Normally Unacceptable" (65-75 dB(A)), not one clean verdict. Road traffic drives that number here, not the other two sources. Treat this as La Cañada Flintridge's one representative point, not a promise about every block in it, BTS's map wasn't built to resolve individual streets.
La Cañada Flintridge's noise, by source
Each of the three transportation modes gets its own model from BTS; the combined figure above is what they add up to.
What this means for a house here
Depending on where in that band the true value sits, it may also clear FHWA's 66 dB(A) residential impact threshold (23 CFR 772, Table 1), the trigger highway agencies use for sound-wall decisions. Upgraded windows, door seals and STC-rated glazing meaningfully cut broadband, near-continuous road noise.
Where La Cañada Flintridge ranks
Among the 3,622 US places in this dataset with any measurable transportation noise, La Cañada Flintridge ranks 131, loudest first. Population is about 19,621, 1,962th largest of the 12,137 places covered here.
Your street may differ from La Cañada Flintridge's reading
This page describes La Cañada Flintridge as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind La Cañada Flintridge's reading
The methodology guide shows exactly how La Cañada Flintridge's reading was built from BTS's tile data. Since road traffic is what's driving this reading, the guide to what actually cuts each kind of noise covers the fix that fits.