pretty much all states do. It's called road reflectors. or reflective road stud. or reflective pavement markers. Reflector's just easier to say it.
Some uses just simple reflective painted stripes to save money especially for long long long highway.
I wonder - that black thing on bottom of plow... is it really rubber?
Not from IL/IA. I don't see any reflective pavement markers at anywhere on highway like that. They use rumble strips for shoulder. Most of reflective pavement markers on the road at downtown and Chicago suburbs.
ah-ha.... here's what I was referring to
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I never seem like that before. It's ugly design.
That design is for train to clear the railroad but I've seen similar design for large truck to clear the highways. I guess it depends on snow situation and location. That arrowhead-shape snowplow is probably used for extreme snowstorm.
Nice. My father taked us to train tour. I never forget about cool design of train snow plowing like that.
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They did good job like that.
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