for the corner_info entries would request a color feature based on value of entry - simular to this:
speed_ranges:
- from_value: 0
color: rgb(0,255,0)
- from_value: 2
color: yellow
- from_value: 5
color: hsl(200, 100%, 60%)
- from_value: 10
color: orange
- from_value: 25
color: red