... parking plot and the road way in the underground garage. Road studs:suitable for parking plot and the road way in the underground ... lane, margin line, curved conduit, offramp, diversion marking, road becoming narrow or the site where there is obstacle on ... Products catalog: solar road studs, metal road studs and plastic road studs,Specification: solar road studs: 135*130*27mm, plastic road studs: 102* ...