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Trail signs are normally mounted at a set height on a post planted in the ground. Once the snow has piled up over the sign, the sign is no longer effective. Ranger Districts with winter trails programs have been dealing with the problems of signing snow trails for as long as they have managed winter trails. This report describes signpost systems that work best in shallow, moderate, and deep snowpacks.
Highway signs are the means by which the road agency communicates the rules, warnings, guidance and other highway information that drivers need to nav...
The objectives of the experimental project are to determine the durability and reliability of the Redi-Torque Model 280 system to effectively maintain...
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