doobrie said:with those hi-vis yellow flourescent workmans jacket type things that have the silver stripes on
them, does the built in silver stripe provide a similair thing to the scotch light stuff?
Yes, the silver stripe is reflective. Frequently it _is_ scotchlite (TM and all).
If you want to see that it meets some sort of standard, look for at least 'class 2'. I think the
standard is actually BS EN 471. Class 2 is what you need for working on roads. Personally, I get
class 3 - which is what you need for working on motorways.
Class 3 has more reflective area than class 2, but the main benefit for cycling is that it has
arms with reflective bands round the arms. This might help to make arm-signals visible, which is
why I use it.
I've also seen research that found that putting flourescent areas on the arms makes a person more
conspicuous than on teh torso, but I don't remember what the hypothesis for why was (torso is a
single block, and might therfore be a bollard, while bollards rarely have arms? arms move around
more than torsos? dunno), so it might not apply for typical cycling movements.
On the topic of hi-vis, I increasingly see orange stuff. in the UK, orange is for railways and
'saturn yellow' is for roads. I think some EC thingy or something now tolerates orange for roads.
Drawing on the study that found all that matters conspicuity-wise is how closely you look like a
policeman, I don't use orange for cycling. For the real UFO-effect, however, I have a nice
flourescent orange boiler-suit, with reflective hoops on arms, legs, torso, and over the shoulders.
It's almost worth cycling in it to see if someone actually dares say smidsy.
The only down side of class 3 is it's much more difficult to find - you need somehwhere that
supplies serious roadworks contractors rather than just builders (so a normal builder's merchant
won't do). I know screwfix do class 3 jackets (www.screwfix.com), which might actually be easiest.
regards, Ian SMith
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