r snow in some areas.
metl railing barriers may deteriorate rapidly in highly corrosive urban/industrial environments.
In some cases, solid barriers may restrict sight distances of drivers entering from a side road or intersection, or may block a driver's view of a particularly scenic panorama.
ROADSIDE BARRIER SYSTEM MAINTENANCE
6.1 Routine maintenance
Routine maintenance costs are similar for all operational roadside barrier systems. Some cleaning and painting is occasionally done, but the us