According to the report published by Allied Market Research, Barrier Systems Market by Device Type (Fence, Bollard, Gates, Crash Barrier, Drop Arm, and Others), Technology (Rigid, Semirigid, and Flexible), Material Type (Metal and Non-metal), and Application (Roadways, Airports, Railways, and Others): Global Opportunity Analysis and Industry Forecast, 2020–2027 The global barrier systems market generated $19.2 billion in …