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Bicycle Driving Demonstrations
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Always use a white headlamp and bright rear reflector, and perhaps a rear lamp, when cycling at night. Don't rely on just reflectors; motorists whose paths may cross yours at intersections and driveways often won't see you in time, because their headlamps won't illuminate your reflectors until it's too late to avoid a collision.
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Nearly invisible: In the image above, a cyclist is stopped directly underneath a street lamp. Can you see him? Now imagine him moving at 15-20 mph while not under a street lamp.
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Front headlamps: Here is the same cyclist using a handlebar mounted headlamp and a helmet-mounted light. Not only is the cyclist much more visible, but the cyclist can see road signs, lane lines, potholes, obstacles, and other hazards in the road.
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Tail lamps and reflectors: The image on the left shows the visibility of the rear of a bike using low-power LED tail lamps, with no external illumination. The image on the right shows the bike under illumination from another bicycle's headlamp. Note the added visibility from reflectors, which can be even brighter than LEDs under direct headlamp illumination. Always use large, bright rear reflectors; they are much more visible than clothing, and are a good backup for tail-lamps, whose batteries may go dead without you realizing it. For more information see Cycling at Night.
Next: Contra-examples
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Automotive reflectors and aftermarket bike reflectors (right) are much brighter than the toy reflectors (left) sold with most bikes.
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