09-21-2020, 09:47 AM
Paved shoulders move water away from the roadway before it can infiltrate into the road's subbase, increasing the life expectancy of the road surface. Shoulders help provide extra structural support of the roadway.
en.m.wikipedia.org › wiki › Should...
Shoulder (road) - Wikipedia
en.m.wikipedia.org › wiki › Should...
Shoulder (road) - Wikipedia