Resource Category Type
U.S. DOT - Safer Sign Supports: Are Yours Breakaway Yet?
This resource by U.S. DOT talks about breakaways, clear zones, and what sign supports breakaways.
Signs Web Link
Minimum Sign Retro-reflectivity Requirements
This document describes the retro-reflectivity requirements for signs.
Signs Document
Minnesota's Best Practices for Traffic Sign Maintenance/Management Handbook
This document describes how to remove unnecessary and ineffective signage.
Signs Document