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1.
This occurs when someone who is driving on the freeway consistently drives on the white reflectors to guide their path as opposed to driving in the center of the reflector lines. Much akin to a blind person running their fingers over the special bumps to read something.
Hey are you gonna stop driving by braille or what? It's giving me a headache.
by Laura Chatterton May 03, 2007
10 3
 
2.
When one used the lane markers/bumps to indicate they've gone into the next lane, sometimes causing panic to those in the car.
Ted: -drives over the bumps-
Alex: Dude, what're you doing? Driving by Braille?!
by The Madame May 28, 2009
2 1