Source References

Items that reference source, Best Practices for Road Weather Management, Version 3

Benefit

Using a Speed Management System for winter maintenance resulted in zero (100 percent reduction) winter weather related accidents in one section of highway in Snowmass Canyon.
Indiana reduced their total winter maintenance budget by 27 percent for an estimated $11 million savings by implementing a Maintenance Decision Support System (MDSS).
Icy Curve Warning Systems in California reduced the number of annual crashes by 18 percent, and the system was estimated to provide safety benefits of $1.7 million dollars per winter season.

System Cost