Winter maintenance graph and follow-up data

Graph over winter road maintenance on Grikol road outside of Stockholm, Sweden for winter:
1:1995/96 and 2:1997/98.

The winter road maintenance is mainly salting, slushing and plowing.
The first winter (1995/96) the reduce winter maintenance on the Grikol road was 76%
The second winter (1997/98) the reduce winter maintenance on the Grikol road was 51%

Read more under table with follow-up data.