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Overlay and Widening Components
Updated April 30, 2026
This article applies to:
- RoadEng Civil
- RoadEng Forestry
Widening 1 - Overlay with Subcut
Pavement overlay and widening. Up to three shoulder layers and a subcut.
Widening 4 - Mill & Overlay Exp
Pavement mill, overlay and widening. Up to three shoulder layers. Explicit base and subbase widths.
Pavement mill, overlay and widening. Up to three shoulder layers.
Overlay - Up to three layers above subgrade with a separate layer to track fill above existing road.
