Comment 3 for bug 1612701

I'll try another approach:
<17 = Same
17-70 = Round 5
71-150 = Round 10
151-350 = Round 20
351-500 = Round 50
501-1000 = Round 100

For highways a long metter like 849 will be more nice as 800.

Finally this was a so great idea :) Thanks Rover!