I have come to rely on making a "slow" hand-signal as my
most important safety device for drivers approaching from behind. The
unsymmetrical movement seems to catch the attention of most inattentive
ones; and the added width helps inform them that a safe passing distance is
not by my shoulder.
I use the standard signal taught in Drivers Ed (upper arm 90' straight out,
lower arm 90' straight down) because it's what drivers are taught to
recognize, and because it makes me a little bit wider than an arm-down 45'
How many of you also use this? What is your experience with it? If you
don't use it, please try it and let us all know if it makes a difference.
Thank you for your thought and consideration. And thank you for bicycling!
DancesWithCars at CycleMedia.org
"Half of all car/bike crashes are the cyclists' fault; half are motorists'. So
cycling as a responsible, law-abiding adult is 50% safer. But by learning to
compensate for common motorist errors as well, we've become 80% safer.
Just as drivers of big-rigs, buses and motorcycles take extra classes to learn
predictable mistakes, collisions, and their prevention, we've taken in-depth
adult cycling classes that taught us common mistakes and how to compensate for
This Advanced Traffic-Bicycling (sm) serves us everywhere we go, on every road,
bikelane or not. It works so well that our cycling becomes a dance of mutual
cooperation with drivers."
from Dancing-With-Cars (sm): An Introduction to Advanced Traffic-Bicycling (sm)