What do you guys do about the salty sand accumulation on the lawn/flower beds at the end of the road plough season? Every year I rake out as much of that road sand out of the lawn and floer beds, flush it with H2O to get rid of the salt, and re-seed the grass that's been pickled dead.
By the end of the winter, I have about a 5 gallon pail of sand that is badly contaminated with road salt and debris. I usually sift this and we recycle it come the next winter on the walkway.
Does anyone do anything different with the crud left on the curbside?

Usually lots of good compost buffers all mineral salts and mild toxins in your soil, away from your plant roots. That's number one in all cases!

Secondly, using Epsom salts in tea forms periodly, as needed, is good for neutralizing, buffering, and balance Na and Cl from common table salt, along with existing available Ca, S, Mg, etc. in your soil, around plant roots.

A little gypsum might help, especially if you put it down in the fall before the assault starts. You might also want to raise the beds lining the street and drive or make a berm to keep so much salt and sand from accumulating, and plant the salt and sand tolerant plants there, so that all you have to do is cover it with some nice looking mulch each year.

A neighbour down the street puts down lengths of burlap in the late fall, then rolls up the sand and debris once spring melt is over. I thought he had a good idea, too.
I wrote down both of your tips and will try them out for next season. Thanks!