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Alaska DOT outlines 10-year pavement plan, data-driven asset tracking and material changes
Summary
DOT&PF presented a new 10-year pavement plan that ties asset-condition data to funding, highlighted use of lidar, cameras and AI for statewide asset inventories, and described shifts to harder aggregates and polymer-modified asphalt to reduce thermal cracking and studded-tire wear.
The Alaska Department of Transportation and Public Facilities on Tuesday told the Senate Transportation Committee it is building a 10-year pavement plan that pairs asset-condition data with long-term funding to move the state from reactive repairs to earlier, strategic investments.
"The STIP is a narrow band of both time and funding sources," said Lauren Little, chief engineer and acting northern region director, explaining why the department is expanding planning beyond the Statewide Transportation Improvement Program to a broader decade-long horizon that coordinates pavement, bridge and drainage work across regions.
The department said the 10-year plan will use condition data and revenue forecasts to choose interventions earlier in a roadway's deterioration cycle, avoiding costlier rebuilds. "That is exactly what the 10-year plan is allowing us to do: fitting those needs in now strategically before they occur," Little said.
DOT officials described programmatic changes to pavement materials. Little said a 2014 agency policy now favors harder aggregate on…
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