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RH77 · 08-27-2008, 05:37 PM

This may be a "Road Spray" prevention device. Was the RV'er pulling a vehicle?

I believe UPS was one of the first to implement these on their semi trailers in the late 80's / early 90's (these were mounted above the wheel and hung maybe a quarter of the way into the wheel's diameter).

I asked a driver at the time what they were. It prevents rain or snow spray from interfering with passing or following vehicles -- in an attempt to prevent limited visibility. Nice courtesy -- most likely it's so they wouldn't get rear-ended or side-swiped. I'm not sure if they're using them anymore, but you can see some worn ones on the older trailers.

RH77

08-27-2008, 05:37 PM	#3 (permalink)
RH77 Depends on the Day Join Date: Nov 2007 Location: Kansas City Area Posts: 1,761 Teggy - '98 Acura Integra LS Sports Cars 90 day: 32.74 mpg (US) IMA - '10 Honda Insight EX Team Honda 90 day: 34.76 mpg (US) Tessie - '06 Acura TSX Base 90 day: 28.2 mpg (US) Thanks: 31 Thanked 41 Times in 35 Posts	This may be a "Road Spray" prevention device. Was the RV'er pulling a vehicle? I believe UPS was one of the first to implement these on their semi trailers in the late 80's / early 90's (these were mounted above the wheel and hung maybe a quarter of the way into the wheel's diameter). I asked a driver at the time what they were. It prevents rain or snow spray from interfering with passing or following vehicles -- in an attempt to prevent limited visibility. Nice courtesy -- most likely it's so they wouldn't get rear-ended or side-swiped. I'm not sure if they're using them anymore, but you can see some worn ones on the older trailers. RH77 __________________ *“If we knew what we were doing, it wouldn't be called research” ― Albert Einstein* _ _ Last edited by RH77; 08-27-2008 at 05:43 PM..