Originally Posted by rumrunn6

in a car, the driver has access to only 1 window, that's why the hand signal for a left, is left arm sticking out & the signal for a right is the same arm bent at elbow pointing up

on a bike, you don't have to do that. to go left stick your left arm out, to go right stick your right arm out. when I see bikers doing the left arm right signal I chuckle to myself