There have been marked advancements in the use of fixed anti-icing systems in the past few years. Fixed systems have been placed at toll plazas, super-elevated bridges and steep hills where maintaining vehicle traction is critical.

These systems use the same chemicals available for mobile anti-icing systems. They are designed and installed at problem locations and can be linked with RWIS to assist in predicting conditions favorable for treatment. Depending on the complexity of the RWIS equipment, the system can be activated remotely or automatically.

The spray systems themselves vary in complexity, but will spray the anti-icing chemical from fixed points onto the road’s surface. Traffic, in turn, will spread and track the chemical over the designed area providing the desired effect.

Fixed systems can be installed during new road construction or added at existing problem locations. Vendors specializing in fixed anti-icing systems can be found on the Internet.