Just got this from FEMA. Some interesting photos.
Vehicle Marking and Technology for Increased Highway Visibility ? A Reference Guide for Decision-Makers
http://www.usfa.fema.gov/media/press/2013releases/011713a.shtm?goback=%2Egde_38907_member_205688902
Vehicle Marking and Technology for Increased Highway Visibility ? A Reference Guide for Decision-Makers
http://www.usfa.fema.gov/media/press/2013releases/011713a.shtm?goback=%2Egde_38907_member_205688902