Calgarypuck Forums - The Unofficial Calgary Flames Fan Community - View Single Post - Why/What is that grating noise you get on the side of the highway?

MarchHare · 03-09-2008, 02:37 PM

Your dad is wrong and you were right all along.

http://en.wikipedia.org/wiki/Rumble_strip

Sometimes they build roads with rumble strips along the centreline to prevent inattentive drivers from crossing over into oncoming traffic, but this is less common than placing them along the shoulder.

03-09-2008, 02:37 PM	#4
MarchHare Franchise Player Join Date: May 2004 Location: YSJ (1979-2002) -> YYC (2002-2022) -> YVR (2022-present) Exp:	Your dad is wrong and you were right all along. http://en.wikipedia.org/wiki/Rumble_strip Sometimes they build roads with rumble strips along the centreline to prevent inattentive drivers from crossing over into oncoming traffic, but this is less common than placing them along the shoulder.