Putting sand on roads instead of salt is better for the environment but not ideal. Sand has its issues, too. It tends to wash off into ditches and then streams/lakes, where it can carry pollutants or clog plants and other aquatic life.
One solution? Use very small rocks (time for a Monty Python reference – at about 4:05) instead of sand.
That’s the idea of some road agents, and I wrote about it in the Sunday Concord Monitor. (Read it here)
The small stones embed into the snow and dirt on the access road to the Epsom town garage. (Geoff Forester/Monitor staff)
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