Solar road stud

Solar road studs are flashing solar cell powered LED maintenance-free lighting devices used in road construction to delineate road edges and centrelines

road-construction-39614741Road Construction
from raoji111, ago in
road construction

DOT: Hart Road construction near Beloit starts Monday – WISC-TV3, on Sun, 06 Mar 2016 07:56:15 -0800
The Hart Road bridge will be removed in early April. A replacement bridge will be built in the same location. The construction project will improve safety, meet current design standards and lengthen the bridge over I-39/90 as part of the interstate

Road construction and maintenance
E.I. du Pont de Nemours Powder Company, published 1915, 127 pages