Mine Safety and Health Administration (MSHA) - Interactive Training

U.S. Department of Labor
Mine Safety and Health Administration
Protecting Miners' Safety and Health Since 1978

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This sign combines speed limit and grade information. Drivers not only see that the speed limit is 10 mph, but also that they will be descending a 15% grade for 1500 feet. All of this information is important because, for example, a new driver on the property may decide to descend the grade in a lower gear than he/she would have if the sign had only stated the speed limit. Most drivers are familiar with the limitations of their trucks, and will know how to safely descend varying road grades. This type of informative sign may help drivers arrive at decisions that could save lives or prevent accidents.


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Mine Safety and Health Administration (MSHA) 1100 Wilson Boulevard, 21st Floor Arlington, VA 22209-3939	Phone: (202) 693-9400 Fax-on-demand: (202) 693-9401 Technical (web) questions: Webmaster On-line Filing Help: MSHAhelpdesk@dol.gov or call (877) 778-6055 Contact Us