Originally Posted by
Koyote
Any LEO can look up your driver's license on their squad car's computer; and since cyclists generally aren't required to have driver's licenses anyway, even that is pretty unlikely to ever happen. So, no need to carry a DL, unless you might want to stop for a beer after riding.
.
While this may technically be true, I've heard of situations where if you're being ticketed for a violation (eg. running a red or whatnot), and you can't prove your identity, they can confiscate the bike and/or bring you to the station until your identity is verified.