Though expensive, the most reliable method would be to run heated water in pipes under the pathway. This method should be engineered by a competent contractor.
freezing?
if your talking about salt, it only adds friction and therefore grip for vehicles, it doesnt stop them freezing
You can't stop it but you can slow it down by freezing it.
Anti gel at a truck stop...
SALT
eat it.
b
you give it a blanket
you cant
Turn it off then turn it off to temporarily unfreeze it.
you can turn the graphics all down to the lowest point which stops it from freezing.
Pick up the corruption text log on the way to stop the dead space from freezing at Chapter 6 in the east grow room.