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August 2002 - Page 28

Modeling Streets and Roads Part 3B A s p h a l t

by Doug Geiger, MMR
Photos by the author

This prototype photo of a newly laid (less than three days old) asphalt road clearly shows its medium gray color. As an asphalt highway ages, it gets much lighter.


his month, we continue with asphalt road construction. Another technique used for making an asphalt road uses another commercial product: a medium-cell foam sheet. Several manufacturers sell this; Route 66 is one such company. They offer sheets printed in several roadway widths (both in N and HO scale) and curves. Although one side has the printed roadway markings (all in white), the opposite side is plain and can be cut to fit the road pattern. A sheet is approximately six square feet. Scraps can be fitted together to eliminate waste. Powdered chalks are a key ingredient in this technique and are used to vary the color of the foam material. A black marking pen is used to create the tar repair seams. Although the price-per-foot is high, using this material can create some very effective asphalt roads.

Route 66 markets a medium-density foam material that can be used for roadways. By applying some weathering, the dark black material can be considerably lightened.



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