Activity for Hobbes‭

Type	On...	Excerpt	Status	Date
Answer	—	A: How far from a road do I need to be to not hear the traffic? I work in an office that's inside a forest, and about 800 m away from a busy motorway (2x2 lanes, 120 km/h speed limit), with noise barriers along the motorway. I go for a walk in the forest every day. At 800 m, the motorway is inaudible. At 400 m, it starts to become audible if the wind is from the ... (more)	—	over 7 years ago