| Proposed Revision #2 to the 2003
Edition of the MUTCD (referenced in the Supplemental Notice of Proposed
Amendments (SNPA):request for action) April 2006 |
| Maintaining Traffic Sign
Retroreflectivity (2005 Edition) October 2005 |
| Quantifying the Safety
Benifits of Traffic Control Devices - Benefit-Cost Analysis of Traffic Sign
Upgrades by Doug Ripley, Traffic Control Corporation August 2005 |
| Maintaining Traffic
Sign Retroreflectivity: Impacts on State and Local Agencies March 2004 |
| Maintaining
Traffic Sign Retroreflectivity (2003 Edition) FHWA-SA-03-027 December 2003 |
| Minimum
Retroreflectivity Levels for Overhead Guide Signs and Street-Name Signs FHWA-RD-03-082 December 2003 |
| Updated
Minimum Retroreflectivity Levels for Traffic Signs FHWA-RD-03-081 July 2003 |
| Workshops on Nighttime Visibility of Traffic
Signs: Summary of Workshop Findings February 2003 |