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

Photos representing the mining workforce

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1. Haul Roads
2. Berms
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A "center berm" is shown in this photo. It’s a mound of material, not meant to keep you from going off the road, but to help drivers who may lose their brakes going down the hill or have similar vehicle-control problems. The driver steers toward this mound of material in the center of the road, places one wheel on each side of the mound, and digs the undercarriage of the vehicle into the soft material. This will help slow the vehicle or bring it to a stop. Center berms are not required by MSHA. They have proven, however, to be very helpful in emergency situations.


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