The Alaska Department of Transportation and Public Facilities is introducing new avalanche control technology along the Seward Highway to improve safety and reduce costly winter closures.
The system, called Remote Avalanche Control Systems (RACS), uses fixed installations that allow crews to trigger controlled avalanches remotely. This reduces the need for manual explosives work, which often requires closing the highway and placing workers in hazardous conditions.
The Seward Highway is one of Alaska’s most critical routes, connecting Anchorage to the Kenai Peninsula, and is frequently affected by avalanches in mountainous sections such as Turnagain Pass. These events can shut down traffic for hours and disrupt travel and supply movement.
According to transportation officials, the new system is expected to:
- Improve response time during avalanche conditions
- Reduce the duration of highway closures
- Enhance safety for both maintenance crews and drivers
The technology will be installed in high-risk avalanche zones where repeated snow slides have historically impacted travel.
State officials say this initiative is part of a broader effort to modernize avalanche management across Alaska, especially as changing weather patterns continue to affect snow stability and frequency of avalanches.
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