While at a resent team offsite Anand Iyer said it was legal to make a left on red at a one-way and while I took my drivers education along time ago and in a different state I thought for sure there had been a big stick about this... Alas I was wrong and Anand found the answer on the DMZ site Laws and Rules of the Road - TURNS.
Disclaimer The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway.