Editing Headlamp (section)

===== Increased safety =====
Automotive HID lamps offer about 3000 [[lumen (unit)|lumen]]s and 90 [[Candela|Mcd]]/m<sup>2</sup> versus 1400 lumens and 30 Mcd/m<sup>2</sup>{{disputed inline|date=November 2012}} offered by halogen lamps. In a headlamp optic designed for use with an HID lamp, it produces more usable light. Studies have demonstrated drivers react faster and more accurately to roadway obstacles with good HID headlamps compared to halogen ones.<ref>{{cite web|url= http://www.lrc.rpi.edu/programs/transportation/pdf/PAL/PAL2001-vanderlofske.pdf |title=Evaluation of High Intensity Discharge Automotive Forward Lighting |access-date=2010-12-29}}</ref> Hence, good HID headlamps contribute to driving safety.<ref>{{cite web|url= http://www.drivingvisionnews.com/index.php?option=com_content&view=article&id=index.php?option=com_content&view=article&id=947 |title=VISION Congress report |website=Drivingvisionnews.com |date=2008-09-02 |access-date=2010-12-29}}</ref> The contrary argument is that glare from HID headlamps can reduce traffic safety by interfering with other drivers' vision.