Background information:
Although “V shaped ditch” may consist of solid concrete elements, they are often made of paving stones. “V shaped ditch” guide the rain from the street to the closest storm drain. “V shaped ditch” we find both along asphalt roads and roads of paving stones. They are always in the longitudinal direction along the driving lane, often sandwiched between the driving lane and sidewalks or between the driving lane and the parking bays.
Recommends:
Keeps color difference between the following elements: