NHTSA considering amber turn signal mandate

While many cars sold in North America feature red turn signal indicators built into their rear light clusters, the National Highway Traffic Safety Administration says that the amber signals installed in some cars can be more than 5 percent more effective at preventing wrecks than their red counterparts, which the agency says blend too much with brake lights.

http://www.leftlanenews.com/nhtsa-considering-amber-turn-signal-mandate.html

I bet if people actually used their turn signals it would be even more effective in preventing the wrecks. Every little bit helps though.