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By Discipline: > Safety > Visibility including Retroreflectivity
- Safety
- Visibility including Retroreflectivity
- Regulation
- Final Rule for Revision 2 to the 2009 MUTCD (05/14/2012)
- Guidance
- Maintaining Traffic Sign Retroreflectivity (03/26/2013)
- FHWA Lighting Handbook (August, 2012)
- Revised Recommended Minimum Maintained Retroreflectivity Levels for Blue and Brown Traffic Signs (04/05/2012)
- Methods for Maintaining Traffic Sign Retroreflectivity (November, 2007)
- Eligibility of 23 USC 120 (c) for Highway Lighting (12/01/2005)
- Information
- Low-cost Treatments for Horizontal Curve Safety 2016 (January, 2016)
- Synthesis of Pavement Marking Research (June, 2015)
- FHWA Retroreflective Sheeting Identification Guide (March, 2014)
- Improving Safety by Providing All-Red Clearance Intervals and Larger Signal Lenses Case Study (December, 2009)
- Retroreflective Borders on Traffic Signal Backplates Case Study (December, 2009)
- Intersection Safety Issue Briefs (11/01/2009)
- Embedded LEDs in Signs Technical Summary (May, 2009)
- LED Raised Pavement Markers Technical Summary (May, 2009)
- Low Cost Treatments for Horizontal Curves (December, 2006)
- Minimum Retroreflectivity Levels for Overhead Guide Signs (December, 2003)
- Regulation
- Visibility including Retroreflectivity