On: Scientists say you can cancel the noise but keep y...

[johndough]

In my experience (living a mile away from a motorway), most of the noise is caused by the wheel bearings of badly maintained lorries instead of tires. One can usually tell by the high pitched noise.

[catalogia → johndough]

I'm surprised that noise propagates far enough for you to hear. In my experience, the noise that propagates furthest from roads is the low frequency tire rumble.

[sova → catalogia]

Hypothesis: you are both correct, your respective acoustic environs different

[jacquesm → catalogia]

Here it's the tires moving across the seams between adjoining panels on bridges that make the most noise, those you can pick up from very far away.