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Old 06-14-2011, 07:59 AM   #9
Jaxonalden
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Location: Oklahoma City
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In Europe and other countries adhering to ECE Regulation 48, vehicles must be equipped with one or two bright red "rear fog lamps" (or "fog tail lamps"), which serve as high-intensity rear position lamps to be energized by the driver in conditions of poor visibility to enhance vehicle conspicuity from the rear. This is to maximize the sight line of following drivers to the rear fog lamp. While providing some safeguard against rear fog lamps being confused with stop lamps, ECE R48 requires a separation of at least 10 cm between the closest illuminated edges of any stop lamp and any rear fog lamp.

I personally love the lamps when used correctly because you can maintain a safe following distance. Trying to follow a car in the fog with only rear running lights, you have to drive closer to that vehicle to keep the lights in sight, shorting your reaction time.
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Last edited by Jaxonalden; 06-14-2011 at 08:05 AM.
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