Minnesota's best practices for traffic sign maintenance/management handbook : including insight on how to remove unnecessary and ineffective signage /
In 2008 the FHWA added new regulations to the MUTCD regarding minimum levels of retroreflectivity for traffic signs. This action changed the guidance relating to maintaining minimum levels of retroreflectivity from a recommended practice to a required activity. The new regulations went into effect a...
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| Main Author: | |
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| Corporate Authors: | , , , |
| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
St. Paul, Minn. :
Mn/DOT Research Services Section,
2010.
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| Edition: | Version 1.1 |
| Series: | Final report (Minnesota. Dept. of Transportation) ;
2010RIC10. |
| Subjects: |