Our goal is to offer you the best prices, quality products & fast service on your traffic signs, parking signs, no parking signs, custom traffic signs, handicapped signs, posts, hardware and so much more. National Standards for Traffic Control Devices the Manual on Uniform Traffic Control Devices for Streets and Highways Revision Final Rule Target Compliance Dates Established by the FHWA Federal Highway Administration (FHWA) Retroreflective Sheeting Identification Guide Narrated Explaination of the Minimum Rflective Numbers. New Traffic Sign Maintenance Retroreflective Requirements Stop signs (white on red) have a minimum contrast ratio of ≥ 3:1 (white reflectivity ÷ red reflectivity) (older stop signs-especially south-facing signs-are at risk of noncompliance due to ink fading).Regulatory signs (black on white) must retain a minimum retroreflectivity level of ≥ 50 cd/lx/m 2 (while use of Type I sheeting-with an initial retroreflectivity value of 70 cd/lx/m 2-is allowed, sign life will be short and may result in poor life cycle value).Warning signs (black on yellow or orange) cannot bemade from Type I sheeting.White copy on ground mounted street name signs cannot be made from Type I sheeting.
White copy on overhead guide signs must be made from prismatic sheeting.Summary of the Minimum Maintained Retroreflectivity Levels Table
