] Beginning July 1, Tennessee motorcyclists can legally run ] red lights -- if they stop first and "exercise due care" ] -- under a bill signed into law by Gov. Phil Bredesen. ] ] Motorcyclists had complained they were forced to wait ] excessive periods of time at stop lights because sensors ] that control the lights did not recognize motorcycles, ] which are now made mostly of aluminum and fiberglass, not ] metal. ajc.com | News | Law allowing motorcycles to run red lights effective July 1 |