what do they mean by reduced salt area in freeway ?

Answer 1

They mean that less salt is used in winter to maintain passble roadways. Typically this is due to an environmentally sensitive area located nearby and there is concern about runoff from the roadway. It may be animals nesting near the roadway or a water source.

The signs alert drivers to potentially slippery conditions during low temperatures.

Answer 2

In areas where ice on the roadway is common, they frequently salt the roads in the colder months to help deter this. However, in reduced salt areas, they don't put as much/any salt for whatever reason. Basically means be careful, there is a possibility of ice on the road, and they don't salt it so watch out.

Answer 3

In addition to corroding cars, salt use in winter on roadways has an impact on the environment - roadside vegetation, aquifers and waterways. Thus "reducing salt use on freeways" helps the environment and still alleviates snow and ice conditions.

Answer 4

there is less salt put down for icey roads in that area.my be a water supply in the area or lake near by.they don't want too much salt to run off into those area when ice melts.

Answer 5

Usually a less traveled road that they are saving money by not salting as much as a more popular road. In other words, watch out for black ice and other bad spots.

Answer 6

less salt and more sand in the winter time when the snow occurs. less salt in a fragile area