Originally Posted by
Rotten
You're correct about the light being reflected straight back to the source with the older styles of safety shirts/vests.
Be on the lookout for the newest version of safety wear with 'retroreflective'. It lights up with light from any angle.
I work in highway construction and the new material is now mandatory, at least for us inspectors.
As for lights, I'd place at least one rear light higher up, for better visibility. A high vehicle, like a bus, or a lorry riding close to me should be able to see my light. Even some cars use that:
Reflectors are a great addition to good lights, but by no means a replacement, nor something lighting position should be compromised for.
My thoughts on bicycle lighting and being seen:
Bicycle lights