Yes barriers and barricades are there to control the audience and the people around. There are certainly lots of options available in the market which can resolve the need of any event. Of course we are not referring riots and crazy mob situations they have to limit hence normal barriers and stoppages cannot really control any of it. Ok it’s fine to install the barricades and barriers but still there are certain rules in order to install the barricades and barriers, not every kind of barrier like crowd control barriers can be installed anywhere. Depends on the situation and event barriers are allowed or not allowed. There are certain permissions required for certain kinds of barriers. There are numerous options and brands are available, there are so many types of barriers available out there such as: steel barricades, plastic barricades, post and rope barriers and wall mount belt stanchions.
There are some barriers which can be easily used unofficially, which means there is no need to get permission from the government or legal authorities. There are certain characteristics which have to be passed in order to qualify for the unofficial barriers such as the height or the barrier, style the world level standard of the barrier being the barrier the length should be 1 meter, 2 meter and not more than 2.5 meter, the standard height should be 44 inches which is around 109 to 111 cm. weight may vary from material to material usually the 8 foot barricade weighs 55 pounds. In order to make the barricade durable, strong and reliable they prefer to make it with 16 gauge steel tubing. there are some other common but official type of barriers too, such as mounted barriers, bolted barriers these barricades required special permission and are not allowed to be used casually anywhere. One has to take the state permission and fulfill certain regulations in order to install such solid barricades; in some regions police permission is also required for the installation of such items. The reasons must be defined by the authorities as in, why they want to get these installed. If some politicians or higher authorities are passing from a certain road (VIP movement) or there are some high profiles personalities are coming in an event, then these barricades are required and after permission could be installed easily ( but only after the permission of the regulators). Furthermore, there are some other bifurcations such as: Flat bases, bridge bases, U bases and wheel bases they all are different and all are used for different purposes. It depends on the event and the situation which to install when? The only thing which one has to keep in mind is to identify between unofficial and official barriers and barricades.