... works in the rail.3,Bright in color,instruct road clearly.4,Connecting with eachother make the endure ... 1,Easily removed,no need to use crane--save labor and cost.2,Flexible apply to any road.3,Protect the ... surface of the road without further work.4 ... Flexible:1,Can be adjusted to the winding road.2,Light can be installed.3,Can be used in ...